Cavolo Verza Pressato allo Shio Koji, Brodo di Funghi e Grano Saraceno (Italian Pressed Savoy Cabbage)

Cavolo Verza Pressato allo Shio Koji, Brodo di Funghi e Grano Saraceno (Italian Pressed Savoy Cabbage)

Story of the Dish

Savoy cabbage is usually treated as a soft supporting vegetable, but its layered structure makes it capable of something far more precise. In this preparation, individual leaves are blanched only long enough to become flexible, dried carefully, brushed with a restrained amount of shio koji and compressed into a compact terrine. Slow cooking under pressure allows the leaves to bond while preserving their identity, so the finished portion can be sliced cleanly and handled almost like a small vegetable steak.

The key moment comes after chilling. The pressed cabbage is cut into thick rectangles and seared on its exposed layers until the surface becomes dark, crisp and deeply savory. The interior remains moist, tender and visibly laminated. Shio koji reinforces natural sweetness and umami while accelerating browning, but it never replaces the flavor of the cabbage itself.

A clear roasted mushroom broth surrounds the cabbage without softening its crust. Cremini, shiitake and dried porcini provide depth, while toasted buckwheat supplies a dry, nutty crunch. A few mustard leaves bring bitterness and freshness. The finished plate is deliberately architectural: one compact block of cabbage, a transparent mushroom broth, crisp grain and a small amount of green bitterness.

Recipe Information

Serves: 4

Prep Time: 35 minutes

Cooking Time: 1 hour 15 minutes

Chilling and Pressing: 4 hours minimum, preferably overnight

Difficulty: Advanced

Ingredients

For the Pressed Savoy Cabbage

1 large Savoy cabbage, approximately 2½ lb (1.1 kg)

3 tbsp shio koji (45 g)

2 tbsp extra virgin olive oil (30 ml)

½ tsp freshly ground black pepper (1 g)

1 tbsp unsalted butter (14 g), for final searing

For the Roasted Mushroom Broth

8 oz cremini mushrooms (225 g), roughly chopped

4 oz shiitake mushrooms (115 g), roughly chopped

½ oz dried porcini mushrooms (14 g)

1 small onion, quartered

1 celery stalk, roughly chopped

4 cups cold water (950 ml)

1 small piece kombu, approximately 2 inches (5 cm)

1 thyme sprig

1 tsp rice vinegar (5 ml)

1 tsp tamari (5 ml), only if needed

For the Buckwheat

½ cup whole buckwheat groats (85 g)

1 tsp extra virgin olive oil (5 ml)

Pinch of sea salt

For Finishing

Small mustard leaves or young mustard greens

1 tsp rice vinegar (5 ml)

Extra virgin olive oil

Freshly ground black pepper

Preparation

1. Separate and Blanch the Cabbage Leaves

Remove any damaged outer leaves, then carefully separate 12 to 16 large Savoy cabbage leaves while keeping them as intact as possible. Trim only the thickest portion of each central rib so the leaves remain broad. Reserve the smaller inner leaves. Bring a large pot of water to a boil and salt it very lightly because shio koji will provide much of the final seasoning.

Blanch the large leaves for 60 to 90 seconds and the smaller inner leaves for about 45 seconds. Transfer immediately to ice water. Drain thoroughly, then spread the leaves between clean kitchen towels and press gently to remove as much surface moisture as possible. This drying stage is critical because excess water weakens the pressed structure and prevents strong browning later.

2. Build the Cabbage Press

Line a small loaf pan or terrine mold with parchment paper. Arrange the largest leaves inside first, allowing their edges to extend slightly beyond the mold. Brush with an extremely thin layer of shio koji. Add another layer of cabbage and continue building, alternating the direction of the leaves so the final terrine has an even thickness.

Do not coat every surface heavily. Shio koji is being used as a seasoning and enzymatic tool, not as a filling. Fold the extending leaves over the top, cover with parchment and place a second loaf pan or another heat-safe weight directly over the cabbage. The layers should be compressed firmly but not crushed into paste.

3. Cook Under Pressure

Preheat the oven to 325°F (165°C). Place the covered cabbage mold inside a larger roasting pan and add enough hot water to reach about halfway up the sides of the mold. Bake for 45 to 55 minutes. Remove from the oven but keep the weight in place. Cool for about 30 minutes, then transfer the still-weighted mold to the refrigerator.

Chill for at least 4 hours and preferably overnight. This rest is not optional. As the cabbage cools under compression, the individual leaves set into one cohesive laminated block that can be cut cleanly without separating.

4. Prepare the Roasted Mushroom Broth

Increase the oven temperature to 450°F (230°C). Spread the cremini, shiitake, onion and celery over a roasting tray and roast for 25 to 30 minutes, turning occasionally, until the vegetables are strongly browned and several edges are dark. Transfer everything to a saucepan and add the dried porcini, cold water, kombu and thyme.

Heat slowly and remove the kombu just before the liquid reaches a simmer. Simmer the remaining ingredients very gently for about 25 minutes, then remove from the heat and rest for 10 minutes. Strain first through a fine sieve and then through damp cheesecloth or a coffee filter for a cleaner restaurant-style broth. Do not press the mushrooms aggressively through the filter. Return the broth to the saucepan, reduce by about 20% and finish with rice vinegar. Taste before deciding whether tamari is necessary.

5. Toast the Buckwheat

Place the buckwheat groats in a dry skillet over medium heat. Toast for 5 to 7 minutes, shaking the pan frequently, until aromatic and slightly darker. Add the olive oil and a tiny pinch of salt, toast for another minute and transfer immediately to a tray. The buckwheat must remain crisp and dry.

6. Portion the Pressed Cabbage

Remove the chilled cabbage from the mold and peel away the parchment. Trim the edges with a very sharp knife, then cut the block into four thick rectangular portions approximately 1½ inches (4 cm) thick. The internal layers should remain clearly visible. Let the portions stand at room temperature for about 15 minutes before searing so the center is not refrigerator-cold.

7. Sear the Cabbage

Heat a heavy cast-iron pan until very hot. Add only a thin film of olive oil. Place the cabbage portions cut side down and do not move them for about 3 minutes. The exposed layers should develop a very dark, crisp crust. Turn carefully and brown the opposite cut surface. Add the butter only during the final minute and baste rapidly.

The exterior should be deeply caramelized while the interior remains moist and tender. If the center needs additional heat, transfer the portions to a 350°F (175°C) oven for several minutes rather than leaving them in the pan long enough to burn.

8. Prepare the Mustard Leaves and Assemble

Dress the smallest mustard leaves immediately before serving with rice vinegar and a few drops of extra virgin olive oil. Place one rectangular portion of cabbage slightly off center in a shallow warm bowl with the darkest caramelized surface facing upward. Spoon hot mushroom broth around the cabbage, never over the crisp top.

Scatter toasted buckwheat primarily along one side so some grains remain completely dry and crunchy. Add only a few mustard leaves and finish with black pepper and several drops of extra virgin olive oil. The presentation should be severe and architectural rather than decorative.

Professional Technique

Pressing fundamentally changes the way Savoy cabbage behaves. The natural spaces between its leaves disappear and the vegetable becomes dense enough to slice and sear as a single portion. Chilling under pressure is what stabilizes the structure; attempting to cut it while warm causes the layers to slide apart.

Shio koji contributes salt, fermentation and enzymatic activity. Those enzymes begin breaking down proteins and carbohydrates on the cabbage surface, which increases savory perception and helps the cut face brown quickly during the final sear. Because its salt concentration varies by producer, the cabbage water is seasoned lightly and the finished terrine is tasted before any additional salt is introduced.

The mushroom broth is intentionally clear. The objective is not a mushroom sauce or soup, but a savory liquid that can surround the cabbage while preserving the crispness of the seared surface. Roasting the fresh mushrooms before infusion creates depth without needing cream, starch or a heavy reduction.

Chef Tips

Choose a heavy, tightly headed Savoy cabbage. Loose heads produce inconsistent layers and weak compression.

Keep the leaves as large as possible. Trimming away too much rib removes the structure needed for a clean terrine.

Dry every blanched leaf thoroughly. Water trapped between layers is the most common reason the cabbage steams instead of sears.

Use commercially prepared refrigerated shio koji with a clean fermented aroma and taste it before seasoning anything else.

Press firmly but evenly. Excessive force squeezes out moisture and damages the leaf texture.

Chill overnight whenever possible. The difference in slicing quality is significant.

Keep the mushroom broth transparent and strain without forcing solids through the filter.

Toast the buckwheat close to service so the grains stay brittle and aromatic.

Common Mistakes

Using too much shio koji: The cabbage becomes excessively salty and the fermented flavor dominates the vegetable.

Failing to dry the leaves: Water collects between layers and prevents a concentrated texture and proper crust.

Not pressing firmly enough: The terrine separates as soon as it is cut or turned in the pan.

Skipping the chilling stage: Warm cabbage cannot be portioned with the clean geometry this dish requires.

Starting in a lukewarm pan: The cabbage steams and sticks instead of developing a dark caramelized face.

Pouring broth over the cabbage: The carefully developed crust softens immediately. Keep the broth around the portion.

Over-reducing the mushroom broth: It becomes salty, muddy and sauce-like instead of clear and drinkable.

Letting the buckwheat sit in broth: It loses the dry crunch that creates the main textural contrast.

Wine Pairing

Verdicchio dei Castelli di Jesi DOC — Its savory finish and acidity handle both the fermented cabbage and the roasted mushroom broth without overwhelming the vegetable.

Timorasso Colli Tortonesi DOC — This is the most structured pairing. Its mineral weight stands up to the dark seared crust and the umami created by shio koji.

Soave Classico DOC — A softer mineral choice that keeps the dish elegant and works especially well with the roasted mushroom aromatics.

Etna Bianco DOC — Its volcanic tension and acidity sharpen the earthy broth and balance the dense, caramelized cabbage layers.

Gavi DOCG — The leanest option, particularly useful when this contorno accompanies roasted fish or poultry and the meal needs a cleaner finish.

Storage and Reheating

The pressed cabbage is ideal for advance preparation. It can be cooked and pressed up to 2 days ahead, kept refrigerated under light pressure and portioned only when completely cold. The mushroom broth can be refrigerated for up to 3 days and reheated gently without aggressive boiling.

Toast the buckwheat on the day of service and keep it completely dry at room temperature. For service, let the cabbage portions lose their refrigerator chill, sear them in a very hot pan and finish briefly in a 350°F (175°C) oven if the center needs additional heat. Do not microwave the finished dish if texture and presentation matter.

Nutrition per Serving

Approximate values per serving: Calories 205; Protein 7 g; Carbohydrates 26 g; Fat 9 g; Saturated Fat 3 g; Fiber 8 g; Sugars 7 g; Sodium 540 mg; Cholesterol 8 mg. Values are approximate and depend especially on the sodium concentration of the shio koji used.

Final Note

This side dish works because it does not disguise cabbage. Fermentation, pressure, high heat and mushroom umami all exist to intensify the vegetable rather than bury it. The crisp buckwheat and bitter mustard leaves are small but necessary counterpoints to the dense, tender layers.

Serve it as a serious contorno beside roasted poultry, game, pork or a substantial fish course, or use a larger portion as a vegetable-centered course. The most important service rule is simple: preserve the crust and keep the broth clear.

Chef Gianluca