Italian Ligurian Herb Ravioli with Walnut Sauce | Pansoti con Salsa di Noci
Pansoti are the filled pasta of the Ligurian hinterland, and almost everything about them runs against the habits of filled pasta elsewhere. The dough carries no egg, only flour, water, white wine and salt. The filling carries no meat, only wild greens, fresh curd and a great deal of marjoram. The sauce is never cooked: walnuts, bread, garlic and milk pounded cold and spooned over the pasta at the last moment.
That cold sauce decides the dish. Salsa di noci is an emulsion held together by bread and dairy rather than by heat, and it will split, tighten or turn bitter depending on how the walnuts are treated and how much pasta water goes in at the end. Done right it coats each parcel in something pale, thick and faintly sweet.
The name comes from the shape: a pansoto is a little belly, plump in the middle, and the classic fold is a triangle rather than a round or a square. The filling should be green and clearly herbal, never a smooth paste, and the pasta around it rolled thin enough to read the colour through. A lean dish with a rich sauce, and the balance between the two is the point.
Yield: 4 servings, about 15 pansoti each. Prep: 1 hour. Rest: 30 minutes for the dough. Cook: 25 minutes. Total: about 2 hours. Difficulty: intermediate. Course: primo piatto. Region: Liguria, the valleys behind Rapallo and Chiavari.
The Story
Pansoti belong to the eastern Riviera, to the Val Graveglia and the hills above Rapallo, Chiavari and Lavagna, and they were for centuries a dish of obligation rather than celebration. The Catholic calendar imposed lean days on which meat, and often eggs, were not eaten, and a filled pasta built from foraged greens and fresh curd satisfied the rule while still counting as a feast. That is why the dough has wine instead of egg.
The filling is defined by preboggion, a mixture of wild greens gathered on the terraces above the coast. There is no fixed recipe for it and there never was. Borage is almost always in it and gives the dish its soft, faintly cucumber scent; the rest is whatever the hillside offers, commonly dandelion, wild chicory, nettle tops and beet leaves. The bitterness is deliberate and it is what the sweet walnut sauce answers.
The sauce is older than the pasta and reaches Liguria through the port of Genoa. Walnuts, pine nuts and bread pounded in a mortar with garlic belong to a family of cold Mediterranean sauces that also produced agliata and the Provencal aillade, and the technique travelled with the Genoese trade routes. Prescinseua, the slightly sour fresh curd of the Ligurian hills, goes into both filling and sauce; outside the region ricotta with a little yogurt is the honest substitute.
Ingredients
For the pasta
All purpose flour or Italian type 00, 2 1/2 cups (300 g)
Dry white wine, room temperature, 1/3 cup (80 ml)
Water, room temperature, 1/4 cup (60 ml), plus more if needed
Extra virgin olive oil, 1 tsp (5 ml)
Fine sea salt, 1/2 tsp (3 g)
For the filling
Mixed wild greens or preboggion, 1 lb 5 oz (600 g) untrimmed
Fresh borage leaves, 3 1/2 oz (100 g), if available
Prescinseua or whole milk ricotta, drained, 7 oz (200 g)
Parmigiano Reggiano, finely grated, 1/2 cup (50 g)
Large egg, 1, or omit for the lean version
Garlic clove, finely chopped, 1 small
Fresh marjoram leaves, chopped, 1 tbsp (3 g)
Freshly grated nutmeg, 1 pinch
Fine sea salt and black pepper, to taste
For the walnut sauce
Shelled walnuts, 7 oz (200 g)
Pine nuts, 1 tbsp (12 g)
Stale white bread, crust removed, 1 1/2 oz (40 g)
Whole milk, 1/2 cup (120 ml), for soaking the bread
Garlic clove, green germ removed, 1 small
Prescinseua or whole milk ricotta, 3 tbsp (45 g)
Parmigiano Reggiano, finely grated, 3 tbsp (20 g)
Extra virgin olive oil, mild, 1/4 cup (60 ml)
Fresh marjoram leaves, 1 tsp (1 g)
Fine sea salt, 1/2 tsp (3 g)
For finishing
Coarse sea salt, 1 tbsp (18 g) per 4 quarts (4 litres) of water
Reserved pasta cooking water, about 1/2 cup (120 ml)
Parmigiano Reggiano, grated, to serve
Walnut halves, lightly toasted and broken, 8
Fresh marjoram leaves, a few per plate
Preparation
Make the wine dough and rest it
Mound the flour, add the salt and work in the wine, water and oil until a firm dough comes together. Knead on the bench for 8 to 10 minutes, until smooth, elastic and no longer sticky. It will feel tighter than an egg dough, because wine and water hydrate flour less generously than yolks. Wrap it and rest it 30 minutes so the sheet rolls without springing back.
Cook and dry the greens
Wash the greens thoroughly, since hillside leaves carry grit. Blanch them in boiling salted water for 2 minutes, drain and cool under cold running water to keep the colour. Then squeeze them dry in a clean towel, hard, twice. Wet greens are the commonest cause of a filling that leaks during cooking, and a firm squeeze releases easily a quarter of a cup more water than a lazy one.
Chop rather than blend the filling
Chop the squeezed greens with a knife until fine but still visibly leafy. Do not use a food processor, which turns them into a wet paste with no texture. Fold in the drained ricotta, Parmigiano, egg, garlic, marjoram, nutmeg, salt and pepper, then taste, expecting it to be faintly bitter. Chill 20 minutes so it firms and portions cleanly.
Pound the walnut sauce cold
Blanch the walnuts 1 minute and rub off as much papery skin as will come away, which removes most of the harsh tannin. Soak the bread in the milk, then squeeze it lightly. Pound the walnuts, pine nuts, garlic and salt in a mortar to a coarse paste, work in the bread, then the ricotta and Parmigiano, and finally the oil in a thin stream. Keep it cold.
Roll the sheet thin
Roll the dough into sheets about 1/25 inch (1 mm) thick, thin enough that the shadow of your hand shows through but not so thin that it tears when filled. Work with a quarter of the dough at a time and keep the rest covered, because this lean dough dries fast. Cut squares of about 2 1/2 inches (6 cm) as you go.
Fill and fold the triangles
Place a rounded teaspoon of filling in the centre of each square, brush two edges lightly with water and fold corner to corner into a triangle. Press the air out from the centre outward, then seal the edges firmly, because trapped air expands in the water and bursts the parcel. Set them on a floured tray in a single layer.
Cook them gently in wide water
Bring 4 quarts (4 litres) of water to a boil with 1 tablespoon of coarse salt, then lower it to a bare simmer before the pasta goes in, since filled pasta meeting a rolling boil tears at the seams. Cook in batches 4 to 5 minutes, until the parcels float and the folded corner is tender. Lift them out with a spider and reserve half a cup of the water.
Loosen the sauce and dress off the heat
Put the sauce in a wide warmed bowl and slacken it with hot pasta water, a tablespoon at a time, until it pours slowly from a spoon. Add the drained pansoti and turn them through gently with a spatula, off the heat. The residual warmth of the pasta is all the heat the sauce should receive, and enough to release the walnut aroma without splitting it.
Plating
Warm the plates gently, to about 120°F (50°C), no hotter. That is the opposite of the rule for a hot sauced pasta and it is deliberate: a very hot plate keeps cooking the dairy in the sauce and drives it toward graininess within a minute.
Arrange the pansoti in a single overlapping layer rather than piled in a dome, so each triangle keeps its shape and its own coating. Twelve to fifteen per person is a serving. Spoon a little extra sauce over the top rather than mixing harder in the bowl, which tears seams that have just survived the water.
Finish with a few broken toasted walnut halves, a scattering of marjoram leaves and grated Parmigiano handed separately. No oil drizzle is needed, since the sauce already carries a quarter of a cup, and no basil: marjoram is the herb of this dish.
Professional Technique
The defining technique is a cold emulsion stabilised by starch rather than by egg or heat. Milk soaked bread supplies swollen starch granules and the ricotta supplies casein, and together they hold the walnut and olive oils in suspension without cooking. The emulsion is fragile in exactly one direction: warmth. Above roughly 140°F (60°C) the casein tightens, the oil is pushed out and the sauce turns grainy, which is why it meets the pasta off the heat.
Skinning the walnuts is the second technique and the one most often skipped. The papery skin holds most of the tannin, which reads as bitterness and as a drying feel at the back of the palate. A minute in boiling water loosens it, and even partial removal shifts the sauce from harsh to sweet. Toasting is not the answer: toasted walnuts make a fine garnish but overwhelm a sauce meant to taste of fresh nut and milk.
The dough is the third. Replacing egg with white wine changes the mechanics as well as the flavour. Alcohol weakens gluten development slightly and the acidity tenderises the sheet, giving a pasta that stays supple rolled very thin and cooks in four minutes. It also dries faster and binds less at the seam, which is why the edges are wetted and pressed firmly rather than simply folded over.
Texture and Moisture Control
Three moisture problems have to be solved in sequence. The filling must be dry enough not to weep into the pasta, which is the job of the double squeeze. The sheet must be moist enough to seal but dry enough not to stick, which is why you work in small batches under a cloth. The sauce must be loose enough to coat but thick enough to cling, which is the job of the pasta water.
Judge the sauce by how it falls from a spoon. It should ribbon slowly and settle back into itself within two seconds. Too thick and it clumps on top and drags the seams apart; too thin and it slides into a pale pool at the bottom of the plate. It tightens as it stands, so check it again just before the pasta goes in.
The pasta itself should be tender the whole way through, with no chalky seam where the two layers meet. That seam is the thickest part of the parcel and it dictates the cooking time, which is why the corners are pressed rather than left doubled. Test by biting a folded corner, not the belly.
Professional Mise en Place
Pansoti are a make ahead dish in every part except the final minute. The parcels freeze well, the filling improves overnight, and only the loosening and tossing happen to order.
Equipment and tools
Marble mortar and wooden pestle, or a food processor used in short cold pulses
Pasta machine or a long rolling pin for a sheet of about 1 mm
Fluted or plain pastry wheel and a floured tray lined with a cloth
Wide low pot for cooking and a spider for lifting the parcels out
Prepared ahead
Filling, up to 1 day ahead, covered and refrigerated
Walnut sauce, up to 2 days ahead, sealed with a film of oil on top
Shaped pansoti, frozen on a tray then bagged, up to 1 month
Greens blanched, squeezed and chopped, up to 2 days ahead
Service setup
Water at a bare simmer, never a rolling boil, salted at 1 tbsp per 4 quarts
Walnut sauce at cool room temperature in a wide bowl, not over heat
A ladle of pasta water kept hot for loosening each portion
Plates warmed only to about 120°F (50°C)
Chef Tips
Taste a walnut before you commit 7 oz of them. Walnut oil goes rancid faster than almost any other nut oil, and a sauce built on stale nuts tastes faintly of paint and cannot be rescued by garlic, salt or cheese. Buy from somewhere with turnover.
If preboggion is out of reach, build the mix yourself rather than using spinach alone. Two parts chard or beet leaf, one part escarole or dandelion for bitterness, and borage if you can find it. Spinach alone gives a sweet, flat filling that the walnut sauce simply covers.
Use the mortar if you have one. A food processor heats the nuts through friction and shears the oil out, which is the same failure as overheating the sauce later. If you must use one, chill the bowl and blade, pulse briefly and stop while the paste is coarse.
Make a test parcel before shaping the whole tray. Boil one and cut it open. If it leaks, the greens need another squeeze; if the seam is chalky, the sheet is too thick. Five minutes here saves the whole batch.
Common Mistakes
Heating the walnut sauce. Warmed in a pan, the casein tightens and the oil separates, leaving a grainy sauce that cannot be brought back. Dress off the heat and let the warmth of the parcels do the work.
Leaving the greens wet. Under squeezed greens release water inside the parcel during cooking, softening the seam from within until it bursts. Squeeze in a towel twice, hard.
Boiling filled pasta hard. A rolling boil throws the parcels against each other and tears the seams open. Drop the water to a bare simmer before the pansoti go in and keep it there.
Skipping the skinning of the walnuts. The skin holds most of the tannin, and a sauce made with it is bitter and drying at the finish. One minute in boiling water and a rub in a towel changes the dish completely.
Blending the filling smooth. A machine turns the greens into a wet paste that tastes uniform and slides out of the pasta. Chop by hand so the leaves stay recognisable.
Rolling the sheet too thick. The doubled seam is twice the thickness of the rest, so a heavy sheet gives a doughy corner even when the belly is cooked. Roll to about 1 mm and press the edges thin.
Wine Pairing
Rossese di Dolceacqua DOC: The Ligurian red of the far western Riviera, pale, perfumed and low in tannin, and one of the rare reds a cold nut sauce will accept. Its wild strawberry and dried herb aromatics meet the marjoram directly, while the light structure leaves the pasta alone. Serve it near 57°F (14°C).
Gavi DOCG: Cortese grown just over the Apennine ridge from Genoa, and historically the white the city drank with its own food. Its taut green apple acidity and mineral finish cut through the fat of the walnut emulsion and reset the palate between parcels, with no oak or tropical fruit to fight the herbs.
Collio Friulano DOC: The most interesting match on the list, because Friulano finishes on a distinct bitter almond note that runs alongside the walnut rather than against it. It has more weight than Gavi and a waxy texture that stands up to the ricotta, while its acidity keeps the plate from turning heavy.
Roero Arneis DOCG: A Piedmontese white with white peach and pear fruit and a soft, almost creamy body, which flatters the sweetness of the milk and bread in the sauce instead of contrasting with it. Its acidity is moderate, so choose it when the greens are on the mild side.
Lugana DOC: From the southern shore of Lake Garda, a fuller white with citrus, almond and a saline edge that handles rich sauces better than its pale colour suggests. It has enough body to carry a quarter cup of olive oil and enough freshness to keep the bitterness of the wild greens in balance.
Storage & Reheating
Shaped uncooked pansoti store best. Freeze them in a single layer on a floured tray until firm, then bag them for up to 1 month and cook from frozen, adding about 2 minutes. Refrigerating them raw is a poor option, since the filling weeps into the dough within hours.
The walnut sauce keeps in the refrigerator for 2 days in a sealed jar with a thin film of olive oil poured over the surface to stop it darkening. It thickens considerably when cold. Bring it back to room temperature on the bench, never in a pan, and loosen it with a spoonful of warm water until it ribbons again.
Dressed pansoti do not keep and do not reheat. The best treatment for leftovers is a nonstick pan with a little olive oil over medium low heat for 2 minutes a side, which crisps the outside and turns them into something else worth eating. Never microwave them.
Nutrition
Per serving, based on 4 portions of about 15 pansoti each with sauce:
Calories: 790 kcal
Total Fat: 47 g
Saturated Fat: 9 g
Trans Fat: 0 g
Unsaturated Fat: 36 g
Cholesterol: 75 mg
Sodium: 780 mg
Total Carbohydrates: 66 g
Fiber: 7 g
Total Sugars: 6 g
Added Sugars: 0 g
Protein: 27 g
Lactose: 3 g
Principal micronutrients: omega 3 fatty acids, calcium, folate, vitamin A, vitamin K, magnesium, copper, manganese, phosphorus
These figures are estimates. Most of the fat comes from the walnuts and the oil in the sauce, so portioning the sauce carefully matters most. Allergens present: wheat and gluten, tree nuts, milk, and egg if the filling includes it.
Comments