Italian Panna Cotta with Strawberries | Panna Cotta alle Fragole
Updated: 6 days ago
Panna cotta alle fragole is not a panna cotta with fruit stirred into it. It is a set cream and a strawberry preparation kept deliberately apart until the last moment, because the two things want opposite conditions. The cream wants a stable gel, neutral and rich, held at a steady cold temperature. The strawberry wants acidity, freshness and its own juice, and every one of those qualities is hostile to a gelatine network. Put them together too early and you get a pink, weeping dessert that slumps on the plate.
So the fruit arrives twice, in two different states. A cooked coulis, chilled hard, supplies the deep concentrated strawberry note and the colour, and it sits on the surface because it has been reduced enough to have body of its own. A handful of raw berries, macerated briefly with sugar, lemon zest and a few drops of balsamico, supplies the perfume and the bite that cooking always takes away. Neither one is ever whisked into the cream base.
The cream itself is restrained on purpose. Two parts heavy cream to one part whole milk, a third of a cup of sugar, a real vanilla bean, and no more gelatine than the dessert needs to stand up on a plate. Everything sweet and everything sharp in this dish comes from the strawberries. The panna cotta is the quiet half, and the moment it starts competing, the plate stops working.
Yield: 6 servings. Prep: 35 minutes. Cook: 15 minutes. Chill: 6 hours minimum, overnight preferred. Total: about 7 hours. Difficulty: intermediate. Course: dessert. Season: late spring through midsummer, when Italian strawberries are at their peak.
The Story
Strawberries and cream is not an English invention that Italy borrowed. Fragole con panna has been sold from bars and gelaterie the length of the peninsula for as long as anyone can remember, a bowl of sliced berries under a spoonful of lightly whipped cream, sometimes with nothing more than sugar and a squeeze of lemon. In Rome the same berries go under a splash of white wine instead. Panna cotta alle fragole is what happens when a restaurant kitchen takes that bar counter idea and gives the cream a shape it can hold.
The fruit has its own geography here. Nemi, in the volcanic crater lakes of the Castelli Romani south of Rome, built its identity on tiny intensely perfumed wild strawberries and has held a strawberry festival on the first Sunday of June since the early twentieth century. On the northwestern slopes of Etna, the village of Maletto grows a small, late ripening strawberry at altitude that reaches the market in June when the mainland crop is already finished. The Ionian plain around Metaponto in Basilicata, together with the countryside of Verona and Romagna, supplies most of the fruit that actually reaches Italian shops.
What matters for the cook is that none of these are the same fruit. A Maletto strawberry is small, dark and aromatic with real acidity. A greenhouse berry from the coastal plain in March is large, pale in the centre and full of water. The recipe below is written for the second kind, because that is what most people can buy, and the cooked coulis is the honest way to concentrate a berry that is not at its best. If you have the first kind, cook less of them and put more on the plate raw.
Ingredients
For the panna cotta
Heavy cream, at least 36 percent fat, 2 cups (480 ml)
Whole milk, 1 cup (240 ml)
Granulated sugar, 1/3 cup (67 g)
Vanilla bean, split lengthwise, 1, or pure vanilla extract, 2 tsp (10 ml)
Unflavoured powdered gelatine, 2 1/4 tsp (7 g), or leaf gelatine, 3 sheets (7 g)
Cold water, for blooming the gelatine, 3 tbsp (45 ml)
Fine sea salt, 1 small pinch
Neutral oil, a few drops, only if you intend to unmould
For the cooked strawberry coulis
Strawberries, hulled, 12 oz (340 g)
Granulated sugar, 3 tbsp (38 g)
Fresh lemon juice, 2 tsp (10 ml)
Water, 1 tbsp (15 ml)
For the macerated strawberries
Strawberries, hulled and quartered, 8 oz (225 g)
Granulated sugar, 2 tsp (8 g)
Finely grated lemon zest, from 1/2 lemon
Aceto Balsamico di Modena IGP, 1/2 tsp (2.5 ml)
For finishing
Small whole strawberries, 6, one per plate
Finely grated lemon zest, a little over each plate
Flaky sea salt, 1 very small pinch per plate, optional
Preparation
Bloom the gelatine
Sprinkle the powdered gelatine evenly over the 3 tablespoons of cold water in a small bowl and leave it for 8 to 10 minutes without stirring. It should swell into a single firm translucent block. If you are using leaf gelatine, drop the three sheets into a large bowl of cold water, give them five minutes, then lift them out and squeeze them gently until they stop dripping. Do it now, before the cream goes on the heat, because gelatine that meets hot liquid dry never fully disperses and leaves rubbery threads through the finished dessert.
Infuse the cream and milk
Scrape the seeds from the split vanilla bean into a heavy saucepan and add the pod, the cream, the milk, the sugar and the pinch of salt. Warm over medium low heat, stirring until the sugar has gone, and take the pan off the stove when the surface is steaming and small bubbles are forming at the edge, around 175°F (80°C). Cover and let the pod steep for 20 minutes. If you are using extract instead, leave it out at this stage and stir it in at the very end, off the heat.
Dissolve the gelatine and strain
Bring the infused base back over low heat only until it reaches about 140°F (60°C), warm enough to melt the gelatine and nowhere near a boil. Drop in the bloomed gelatine and stir steadily for a full minute until the liquid is completely clear of specks when you draw the spoon up the pale side of the pan. Lift out the vanilla pod and pour everything through a fine mesh sieve into a jug with a spout. Straining is not about lumps you can see, it is about the ones you cannot.
Fill the moulds and start the set
If you plan to unmould, wipe six half cup dariole moulds or ramekins with a piece of kitchen paper carrying a couple of drops of neutral oil, so thin the mould looks dry. If you are serving in glasses, oil nothing and pour to about two thirds so there is room for the coulis later. Skim the foam off the surface of the jug first, then pour steadily and tap each mould once on the counter. Leave them at room temperature for 20 minutes before they go into the refrigerator, covered loosely, for at least 6 hours and preferably overnight.
Cook the coulis and chill it hard
Put the 12 oz of hulled strawberries in a saucepan with the 3 tablespoons of sugar, the lemon juice and the tablespoon of water. Bring to a simmer over medium heat and cook for 8 to 10 minutes, crushing the fruit against the side of the pan, until the volume has dropped by roughly a quarter and the sauce coats the back of a spoon without running off it. Blend it smooth, pass it through a fine mesh sieve if you want it seedless, and chill it in a shallow container to 39°F (4°C). It must be properly cold before it ever touches the cream.
Macerate the raw strawberries
No more than 30 minutes before service, quarter the remaining 8 oz of berries into a bowl with the 2 teaspoons of sugar, the lemon zest and the half teaspoon of balsamico. Turn them over twice and leave them at cool room temperature. Thirty minutes draws just enough juice to gloss the fruit and round off the acidity. Two hours and they collapse into syrup, which belongs in a different dessert. Taste them before they go on the plate and add a few grains more sugar only if the fruit genuinely needs it.
Unmould onto a cold plate
Fill a bowl with hot tap water. Run the tip of a small knife once around the top edge of each mould to break the seal, then dip the mould to just below its rim for 4 seconds, no more. Dry the base, put a chilled plate over the mould, and turn the two over together in one movement. If nothing happens, hold both firmly and give one sharp sideways shake, then lift the mould straight up. Unmould directly onto the plate you are serving on, because a set cream cannot be moved afterwards without tearing.
Sauce at the pass
Spoon the cold coulis around and partly over the panna cotta only once it is already on the plate, and only once every plate is unmoulded. Lift the macerated berries out of their bowl with a slotted spoon so their loose juice stays behind, and set them beside the cream rather than heaped on top of it. Finish with one small whole strawberry, a little lemon zest and, if you like the contrast, a few grains of flaky salt. From here the plate has about three minutes before the coulis begins to spread.
Plating
Decide the format before you fill a single mould, because the two versions of this dessert are plated on completely different logic. An unmoulded panna cotta is a solid white object on a plate and everything else is arranged around it. One set in a glass is read from above and in cross section through the side, so the coulis becomes a visible layer and the berries sit on the surface like a lid.
For the unmoulded version use a wide, flat, cold white plate. Turn the cream out slightly off centre. Spoon two tablespoons of coulis so that it pools on the open side and just touches the base of the cream, never over the dome, where it slides off and pulls a pink smear across the whole plate. Place five or six quartered macerated berries in a loose curve on the sauce, cut faces upward so the interior colour shows, and lean one small whole strawberry against the cream.
For the glass version, spoon a scant tablespoon of coulis over the set surface and tilt the glass once so it finds its own level, then add the macerated fruit on top. Serve it with a long handled spoon, since a short one cannot reach the bottom without the diner tipping the glass. Either way the plate wants one clear line of contrast between white and red, not a scatter of small red dots.
Professional Technique
The whole technique of this recipe is the decision to keep strawberry out of the base. Strawberry purée sits at a pH of roughly 3.3 to 3.5, and gelatine loses a measurable part of its gel strength as the surrounding liquid moves below about pH 4, because the acid interferes with the way the protein strands link into a network as they cool. Blend half a cup of raw coulis into a cream base and you are doing two damaging things at once: you are dropping the pH, and you are adding a large volume of free water that the same weight of gelatine now has to immobilise. The result is soft, weepy, and it will not stand up unmoulded.
Cooking the coulis solves the water side of the problem and improves the fruit at the same time. Ten minutes at a simmer drives off roughly a quarter of the volume, so the sugars and the pectin already in the strawberry concentrate and the sauce gains enough viscosity to sit where you put it. It does not fix the acidity, which is why the coulis still goes on top at service rather than into the mix. If you want strawberry running through the dessert rather than over it, build it as a distinct second layer: set the cream first, cool the coulis to room temperature, give it its own half teaspoon of gelatine, and pour it over a base that is already firm.
The macerated fruit is the third element and it exists because cooking destroys the top notes of a strawberry. The volatile esters that make the fruit smell like a strawberry rather than like jam are largely gone after eight minutes in a pan. Thirty minutes in sugar and lemon zest, by contrast, changes almost nothing aromatically and only softens the flesh slightly and draws out a little juice. Serving both states of the same fruit on one plate gives you concentration and perfume together, which neither preparation delivers on its own.
Texture and Moisture Control
The panna cotta should give way instantly under the side of a spoon and carry no resilience at all. At 2 1/4 teaspoons of gelatine to three cups of dairy it will stand unmoulded and still collapse the moment it is touched, which is the correct compromise. If you are serving in glasses and nothing has to support itself, drop to 1 1/2 teaspoons (4.5 g) and the texture improves noticeably. Anything firmer is a jelly, and the fruit on top will sit on it rather than meet it.
Moisture is the recurring problem and it arrives from three directions. Liquid weeps out of the gel itself if the dessert has been held more than three days or was chilled too aggressively, and it collects as a clear puddle under an unmoulded cream. Loose juice from the macerating bowl thins the coulis into a pale wash, which is why the berries are lifted out with a slotted spoon. And the coulis itself will bleed into the cream if it is warmer than the panna cotta, because a warm sauce melts a shallow channel into the gelatine surface it touches. Hold everything at 39°F (4°C) until the plates go out.
Serving temperature is worth one deliberate choice. Straight from a refrigerator at 39°F (4°C) the cream is firmer and the vanilla is muted. Ten minutes at room temperature brings it to around 50°F (10°C), where the fat softens, the aroma opens up and the texture is at its best, while the coulis and the fruit stay cold. Beyond about twenty minutes the surface starts to dull and the gel begins to lose its edge, so this is a window rather than a resting period.
Professional Mise en Place
Everything here except the final assembly is done the day before. The cream needs the night in the refrigerator, the coulis is better cold, and only the maceration and the unmoulding belong to service.
Equipment and tools
Six dariole moulds or ramekins of 1/2 cup (120 ml), or six glasses
Heavy saucepan, a jug with a pouring spout, a fine mesh conical sieve
Digital scale accurate to 1 g and an instant read thermometer
Small blender or immersion blender for the coulis
Shallow container for chilling the coulis quickly, and a slotted spoon for the berries
Prepared ahead
Panna cotta poured, covered and refrigerated the day before, minimum 6 hours
Coulis cooked, blended, sieved and chilled to 39°F (4°C), up to 2 days ahead
Strawberries for the garnish hulled and kept whole and dry in a covered box
Serving plates in the refrigerator, not the freezer
Service setup
Berries macerated no earlier than 30 minutes before the first plate goes out
Bowl of hot tap water and a small knife next to the plating station
Coulis in a squeeze bottle or a small jug, kept over ice
All six moulds turned out first, then sauced, then garnished, in three passes
Chef Tips
Taste the raw strawberries before you decide how much of the sugar to use. A ripe June berry needs the 3 tablespoons in the coulis and barely 2 teaspoons on the macerated fruit. A pale winter berry needs the same sugar but also a little more lemon, because what it is missing is acidity as much as sweetness, and adding sugar alone makes it taste flatter rather than riper.
Weigh the gelatine rather than measuring it by spoon. Powdered gelatine packs differently depending on how it has been stored and the difference between a loose and a compressed 2 1/4 teaspoons is easily a gram, which on a batch this size is the difference between a cream that stands and one that slumps. A scale that reads to 1 g costs very little and removes the single largest variable in the recipe.
Make the coulis a day ahead and taste it cold before you commit to it. Fruit sauces always taste sweeter warm, and a coulis that seemed balanced in the pan can turn cloying at 39°F (4°C). Correct it cold with lemon juice a few drops at a time. Against cream this rich the sauce should read as distinctly sharp, not as jam.
If a mould refuses to release after two attempts, stop dipping it. Repeated hot water melts the outer layer and you will turn out a glossy, slumping shape with a dull surface. Slide a thin palette knife down one side instead to let air in behind the cream, and it will drop cleanly. Better still, serve that one in its mould and say nothing.
Common Mistakes
Blending raw coulis into the cream base. This is the mistake that defines the dish. The acidity weakens the gelatine network and the extra liquid dilutes it further, so the same dose of gelatine now has to set a larger, more hostile volume. You get a pink cream that never firms properly and releases water overnight. Keep the fruit out of the base and put it on top.
Pouring warm coulis over a set panna cotta. Gelatine begins to soften well below body temperature, so a sauce at room temperature cuts a shallow trench into the surface it lands on and then bleeds sideways into the cream. Chill the coulis to refrigerator temperature and sauce only at the moment of service.
Letting the cream boil. A rolling boil concentrates the dairy, drives off the vanilla you just paid for and leaves a faint cooked milk flavour that nothing later in the recipe can remove. Take the pan off the heat at 175°F (80°C), when the surface is steaming and the first small bubbles appear at the rim.
Macerating the berries too far ahead. Sugar pulls juice out of cut strawberries continuously. Half an hour glosses them; three hours leaves you with pale collapsed fruit sitting in a pool of syrup, and that syrup then floods the plate. Cut and dress them inside the last half hour and lift them out with a slotted spoon.
Using an ungreased mould, or greasing it too heavily. A dry mould grips the cream and tears it on release. A mould with a visible film of oil leaves a greasy sheen on the finished dome and you can taste it. Wipe the inside with paper carrying a couple of drops of neutral oil until the surface looks almost dry.
Freezing the dessert to speed up the set. Ice crystals rupture the gel, and what thaws is grainy and weeping rather than smooth. Gelatine also strengthens slowly over several hours after the initial set, so time in the refrigerator is doing real work that the freezer cannot replicate. Start the day before.
Adding raw pineapple, kiwi or fresh fig alongside the strawberry. These fruits carry active enzymes that cut gelatine protein and will liquefy the surface of the dessert they touch within the hour. Strawberry is perfectly safe; those three are not, unless they have been cooked first to deactivate the enzyme.
Wine Pairing
Brachetto d'Acqui DOCG: The closest thing Italy makes to strawberry in a glass, and the pairing that needs the least explaining. Its aromatic profile of rose petal and crushed red berry runs straight alongside the coulis, and at around 6 percent alcohol it never weighs on a dessert built on cream. The light frothy carbonation scrubs the fat off the palate between spoonfuls, which is exactly what a set cream needs. Serve it at 46°F (8°C).
Moscato d'Asti DOCG: Lower in alcohol still, gently frizzante, and aromatically pitched at peach, sage and orange blossom rather than red fruit. That difference is its value: instead of echoing the strawberry it sets a second aroma beside it, and the pairing gains a dimension the Brachetto does not offer. Its residual sugar comfortably clears the sugar in the coulis, so the wine never turns sour in the mouth.
Recioto di Soave DOCG: Made from dried Garganega grapes, so the sweetness comes with real concentration and a firm line of acidity underneath it. That acidity is what earns it a place here, cutting through the cream in a way the sparkling wines do by carbonation instead. Expect candied apricot, almond and a faintly waxy texture that picks up the vanilla in the base. Pour a small measure; the wine has more weight than the dessert.
Romagna Albana DOCG: In its passito form Albana gives honey, dried yellow fruit and an unusually grippy, faintly tannic finish for a white, which is precisely what stops a sweet wine and a sweet dessert cancelling each other out. That grip resets the palate after a mouthful of cream. It also carries enough acidity to stand up to the lemon in the macerated fruit rather than being flattened by it.
Storage & Reheating
Store the three elements separately and never assemble a plate before you intend to serve it. The panna cotta keeps in its moulds or glasses, covered loosely with film laid over the top rather than pressed onto the surface, for up to 3 days in the refrigerator at 39°F (4°C). It is at its best on day two. By day four the gel has begun to contract and a thin layer of liquid collects under an unmoulded cream. Keep it away from onion, garlic or cut melon, because a set cream absorbs refrigerator odours readily.
The coulis keeps 3 days refrigerated in an airtight container and freezes well for up to 2 months, which is worth doing in June when the fruit is cheap. Thaw it overnight in the refrigerator and whisk it briefly to bring it back together. The macerated berries do not keep at all: dress them for one service and use what you dressed. The panna cotta itself must never be frozen, since the gel ruptures and thaws grainy.
There is nothing here that is reheated, and that is worth saying clearly, because a set panna cotta warmed even to a mild room temperature starts to lose its shape and cannot be persuaded back. The one exception is the base before it has set. If you discover a problem while the mixture is still liquid in the jug, or if a batch has set too softly overnight, you can scrape it back into a saucepan, warm it gently to 122°F (50°C) without boiling, whisk in a little extra bloomed gelatine, strain it again and repour. Gelatine is reversible until the moment fruit and sauce reach it.
Nutrition
Per serving, based on 6 servings, including the coulis and the macerated fruit:
Calories: 400 kcal
Total Fat: 29 g
Saturated Fat: 18 g
Trans Fat: 0.8 g
Unsaturated Fat: 9 g
Cholesterol: 105 mg
Sodium: 75 mg
Total Carbohydrates: 30 g
Fiber: 1.8 g
Total Sugars: 28 g
Added Sugars: 19 g
Protein: 5 g
Lactose: 4.3 g
Principal micronutrients: vitamin C from the strawberries, vitamin A, calcium, phosphorus, riboflavin, manganese, folate
These figures are estimates. The largest variables are the fat content of the cream, which ranges from 35 to 40 percent depending on the brand, and how much of the macerating juice is left behind in the bowl rather than served.
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