Italian Dark Chocolate Pastry Cream | Crema Pasticcera al Cioccolato Fondente

Sep 29

11 min read

Crema Pasticcera al Cioccolato Fondente (Italian Dark Chocolate Pastry Cream)

Crema pasticcera al cioccolato fondente is the dark version of the custard that holds most of Italian pastry together. It is the same yolk and starch cream that fills a bigne or lines a fruit tart, cooked on milk and then finished with chopped dark chocolate away from the heat.

The chocolate changes more than the colour. It changes how firm the cream becomes once it is cold, which means the cooking has to stop earlier than instinct says. Everything on this page is built around that one decision.

Yield: about 3 1/2 cups (830 ml), enough for 24 bigne or one 9 inch tart. Prep: 15 minutes. Cook: 12 minutes. Chill: 4 hours. Total: about 4 hours 30 minutes. Difficulty: intermediate. Course: pastry base. Region: Piedmont and Emilia Romagna.

The Story

Crema pasticcera is less a recipe in Italy than an infrastructure. Almost every classic of the pasticceria rests on it: the bigne di San Giuseppe, fried and split and piped full, the crostata di frutta with its glazed apricots sitting on a custard floor, the torta della nonna under its pine nuts, the millefoglie, the diplomatico. Each region seasons it differently, lemon zest in the south, vanilla in the north, sometimes a strip of orange peel in Liguria, but the structure never changes: yolks, sugar, starch and milk, cooked until the starch swells and then cooled fast. The chocolate version is not a modern variation either. It has been made in Italian pastry shops for as long as chocolate has been cheap enough to melt into something else.

The chocolate itself arrived in Italy twice, and both entry points matter here. Spanish rule brought it to Sicily and to Naples in the sixteenth century, and Modica kept working it cold on a stone in the manner that had come from Mesoamerica. Turin took the other route, through Savoy, and turned chocolate into an industry: by the eighteenth century the city was grinding and conching on a scale nowhere else in Europe matched, and gianduia, the solid bar and the drinking chocolate all belong to that Piedmontese workshop culture. A pastry cream darkened with real chopped chocolate rather than cocoa powder is a northern habit, and it tastes like one.

The dessert that fixed the chocolate version in the Italian repertoire is zuppa inglese, from Emilia Romagna and in particular from the courts of Ferrara and the kitchens of Bologna. It is built in alternating layers, one of plain yellow custard and one of chocolate custard, with savoiardi soaked in alchermes between them, and it works only because the two creams behave differently: the pale one stays soft and the dark one holds its line when the spoon goes in. Anyone who has made that dessert has already met the lesson this page is about, usually by getting it wrong once.

Ingredients

The chocolate is the only ingredient here with no substitute. Use a bar you would happily eat on its own, between 66 and 72 percent, chopped small so that it melts on residual heat alone. Cocoa powder alone gives a different cream entirely and belongs to a different recipe.

For the infusion

Whole milk, 2 cups (480 ml)
Heavy cream, 1/2 cup (120 ml)
Vanilla bean, split and scraped, 1
Strip of orange zest, no white pith, 1
Fine sea salt, 1/4 tsp (1.5 g)

For the yolk base

Egg yolks, large, 5 (about 3 1/4 oz or 95 g)
Granulated sugar, 1/2 cup (100 g)
Cornstarch, sifted, 3 tbsp (24 g)

For the chocolate finish

Dark chocolate, 70 percent, finely chopped, 5 oz (140 g)
Unsweetened cocoa powder, 1 tbsp (5 g)
Unsalted butter, cold and cubed, 1 tbsp (14 g)

For finishing

Cocoa nibs, lightly crushed, 1 tbsp (8 g)
Flaky sea salt, a very small pinch per serving

The half cup of cream is not traditional and is there for one reason: chocolate makes a custard read drier on the palate, and that small amount of extra fat corrects it without loosening the set. Leave it out and use 2 1/2 cups (600 ml) of milk instead if you want the classic proportion.

Preparation

Infusing the milk with vanilla and orange

Combine the milk, cream, salt, the split vanilla bean with its seeds scraped in and the strip of orange zest in a heavy saucepan. Bring it to the point where the surface trembles and small bubbles gather at the edge, then take it off the heat, cover it and leave it for 15 minutes. That rest is where the flavour comes from: held at a simmer instead, the milk picks up a boiled note and the orange oil turns bitter. Fish out the zest and pod before going further.

Whisking the yolks, sugar and starch

Put the yolks and sugar in a bowl and whisk until the mixture pales and thickens slightly, about a minute by hand. Sift the cornstarch over the top and whisk again until no dry pockets remain and the mixture runs smoothly off the whisk. Do not let the yolks and sugar sit together unwhisked, because the sugar draws water out of the yolk and leaves hard grains that will not break up later.

Tempering and cooking the base

Pour about a third of the hot milk into the yolk mixture in a thin stream, whisking constantly, then return everything to the saucepan with the rest of the milk. Set it over medium heat and stir without stopping with a flat whisk or a wooden spatula, reaching into the corners of the pan where the starch catches first. The mixture stays thin and then thickens quite suddenly around 180F (82C) as the starch granules swell. Keep it moving for a further minute after that point so the cornstarch cooks out and loses its raw taste.

Stopping the cooking deliberately early

Here the chocolate version parts company with the plain one. Judge the base while it is still on the heat and pull the pan the moment it coats the spatula but still falls from it in a heavy ribbon, noticeably looser than the finished texture you want on a tart. A white pastry cream is cooked to the density it will keep. This one is not, because it has not finished setting yet and will go on doing so in the refrigerator. If it looks right in the pan, it has already gone too far.

Adding the chocolate off the heat

Take the pan off the flame, wait thirty seconds so the base drops well below boiling, then add the chopped chocolate in three additions together with the cocoa powder. Stir each addition in from the centre of the pan outward in small circles, the way a ganache is built, letting a smooth glossy core form and widen rather than beating the whole surface at once. Worked from the edges, or all in one go, the cocoa butter floats out and the cream turns grainy and dull. Add the cold butter last and stir only until it disappears.

Cooling it fast and flat

Pass the cream through a fine mesh sieve into a cold shallow tray, spread it to about an inch deep and press cling film directly onto the surface so that no skin can form. Get it into the refrigerator within ten minutes. Chill for at least 4 hours, and overnight is better, because the fat needs that time to finish crystallizing before you can judge the texture honestly.

Plating

Chocolate pastry cream is served cold and it is never served loose. Beat it smooth with a spatula or a paddle for a few seconds before use, which breaks the set without adding air, then pipe it or spoon it. A round tip of about half an inch gives the shape most Italian pastry shops use for a split bigne.

On a plate, keep what surrounds it dry and slightly bitter rather than sweet: crushed cocoa nibs, a plain shortcrust disc, a few segments of blood orange, a very small pinch of flaky salt. Serve at refrigerator temperature or a little above, around 50F (10C). Warmer than that and the fat softens and the cream slumps; straight from a very cold refrigerator it tastes flat and reads as stiff.

Professional Technique

The single technical decision that defines this cream is when to stop cooking it, and the answer is earlier than it feels correct to stop. Chopped chocolate stirred in at the end carries a large amount of cocoa butter, and cocoa butter is solid at refrigerator temperature. As the cream cools, that fat crystallizes right through the mass, and the cream stiffens far more than a pale custard made with the same weight of starch ever would. Cook to the density you actually want and the next morning you will have a block you can slice.

How the chocolate goes in matters as much as when. A pastry cream is an emulsion of fat in a starch thickened water phase, and adding a large quantity of melting chocolate to it all at once asks that emulsion to absorb more fat than it can hold in one movement. Working from the centre in small circles, with the chocolate added in three parts, builds a stable core and then extends it outward, exactly as a ganache is made. The visible sign that it is going well is gloss. A cream that turns matte and slightly gritty has broken, and the fat is sitting in droplets you can no longer see individually.

There is a recovery, and it is worth knowing before you need it. If the cream separates, use an immersion blender in a narrow jug while it is still warm and run it for ten to fifteen seconds. The shear reforms the emulsion in most cases. Do it briefly: longer than that and you tear the swollen starch granules apart instead, and the cream goes thin and stringy for good.

Texture and Moisture Control

Three things decide the final texture and only one of them is the starch. The cornstarch sets during cooking and is finished the minute the base leaves the heat. The egg yolk proteins coagulate just before that and contribute a softer, shorter body. The cocoa butter does its work hours later, in the cold, and it is the reason a chocolate pastry cream taken from the refrigerator is always firmer than the same cream was in the pan. Knowing which of the three is still working is what tells you how loose to leave it.

Moisture control is mostly about surfaces and about how the cream is cooled. Poured deep into a bowl, the centre stays warm for an hour, the starch goes on weeping and the finished cream ends up watery under a firm top. Spread thin on a tray it is cold within thirty minutes and holds its water. Cling film pressed straight onto the cream stops condensation gathering and dripping back in, which is the usual cause of a wet grey film on the surface. Never loosen cold cream by stirring milk into it: beat the set out first, and add liquid only if it is still too stiff after that.

Professional Mise en Place

This cream takes twelve minutes of active cooking and four hours of waiting, so everything is set up before the milk goes on the heat. Once the base thickens there is no time left to go looking for a sieve.

Equipment and tools

Heavy bottomed saucepan, about 2 quarts, and a flat whisk
Fine mesh sieve and a wide shallow metal tray for cooling
Instant read thermometer, for the thickening point around 180F (82C)
Immersion blender kept nearby for rescues
Piping bag with a plain round tip of about half an inch

Prepared ahead

Chocolate chopped fine and weighed out into three equal additions
Cornstarch sifted and whisked through the sugar, kept dry until needed
Yolks separated, covered and brought to room temperature
Tray chilled and cling film cut to size before cooking starts

Service setup

Cream held refrigerated in its tray, film on the surface, until the moment it is needed
Only the amount required beaten smooth, the rest of the tray left undisturbed
Piping bag filled cold and set over ice during a long service
Pastries filled as late as possible, since the shells soften from the inside

Chef Tips

Buy the chocolate by percentage and by producer, not by the word fondente on the label. Under about 60 percent it carries too much sugar for a cream that is already sweetened, and over 75 percent the set turns hard. Aim between 66 and 72.

Weigh and chop the chocolate before you start cooking, and chop it finer than looks necessary. Large pieces need more residual heat than the base can spare, so the cook puts the pan back on the flame to help them along, which is how the emulsion breaks.

Taste the cream cold, never warm. Warm, it reads much sweeter and much less bitter than it will on the plate, and people correct in the wrong direction because of it. Test any sugar adjustment on a chilled spoonful first.

Save the vanilla pod. Rinsed, dried and buried in a jar of granulated sugar, it gives you a vanilla sugar good enough for the next batch within a fortnight.

Common Mistakes

Cooking it to the finished texture. The commonest failure with a chocolate pastry cream, and it does not show until the next day. Stop while the base is still noticeably loose and let the cold do the rest.

Adding the chocolate over the heat. Chocolate held above about 120F (50C) in a starch cream separates, and no amount of stirring at that temperature brings it back. Off the flame, in three additions, every time.

Stirring it in from the edges. Beating the whole surface at once floats the cocoa butter out and leaves a dull grainy cream. Work small circles from the centre outward and let the glossy core grow into the rest.

Cooling it in a deep bowl. The middle stays warm for an hour, the starch weeps and you get a wet layer under a firm crust. Spread it thin on a cold tray and film the surface immediately.

Loosening cold cream with milk. It thins the cream permanently and dulls the chocolate. Beat the set out with a spatula first, and add nothing at all unless it is still too stiff afterwards.

Wine Pairing

Recioto della Valpolicella DOCG: Dried Corvina grapes give a sweet red with real tannin behind the fruit, and tannin is what a 70 percent cream needs from a dessert wine. Its sour cherry and dried plum fruit meets the cocoa without either side turning jammy, and the acidity stops the fat coating the palate.

Moscato di Scanzo DOCG: A tiny Lombard passito from a red Moscato, and one of the few Italian sweet wines that is genuinely aromatic and tannic at once. The rose and dried fig aromatics lift the chocolate rather than doubling it, while the light tannin gives the pairing a dry finish the cream lacks on its own.

Montefalco Sagrantino Passito DOCG: The most tannic sweet wine in Italy, and Umbria has drunk it with bitter chocolate for exactly that reason. It has the structure to stand against a very dark cream where a delicate moscato would simply vanish. Pour small glasses and serve it slightly cool, around 60F (16C), or the alcohol takes over.

Marsala DOC: Choose a Superiore Dolce for its oxidative walnut and dried apricot depth, which runs alongside the roasted notes in the chocolate. The fortification gives it weight enough for the yolk richness, and its caramel edge picks up the orange in the infusion.

Giro di Cagliari DOC: A rare sweet Sardinian red, worth the search. Lighter in tannin than the Umbrian and Venetian bottles but higher in perfume, all dried strawberry and Mediterranean herb, and that fragrance reads against the bitterness of the cocoa instead of matching it.

Storage & Reheating

Keep the cream in its shallow tray with the film pressed onto the surface, refrigerated at 38F (3C) or below, and use it within 3 days. It is a cooked yolk and dairy preparation and does not improve after day one. Never leave it at room temperature for longer than the twenty minutes it takes to fill a tray of pastries, and never top up an old batch with a fresh one.

It does not reheat and it should not be frozen. Warming it breaks the starch structure and the cocoa butter separates out as a slick; freezing splits the emulsion permanently and the thawed cream weeps water. If the cream has gone stiff in the refrigerator, work it smooth with a spatula, or give it thirty seconds in a stand mixer with the paddle, the only correct way back to piping consistency.

Nutrition

Per serving, based on 12 servings of about 1/4 cup (70 ml) each:

Calories: 215 kcal
Total Fat: 13 g
Saturated Fat: 7 g
Trans Fat: 0 g
Unsaturated Fat: 5 g
Cholesterol: 95 mg
Sodium: 55 mg
Total Carbohydrates: 21 g
Fiber: 2 g
Total Sugars: 16 g
Added Sugars: 12 g
Protein: 4 g
Lactose: 2.5 g
Principal micronutrients: iron, magnesium, copper, phosphorus, calcium, vitamin A