The Estate Tableat Copperopolis
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Greek · Soup

Sheet-Pan Portobello Soup with Walnut Gremolata

Portobellos, onions and a head of garlic charred together under the broiler, then simmered with white wine, tarragon and marjoram into a deep, earthy soup. A gremolata of walnuts, parsley, mint and lemon adds crunch and lift.

  • YieldServes 6
  • Hands-on50 min
  • Total1 h 39 min
  • Difficulty

Ingredients

Soup

  • 8large portobello mushrooms, wiped clean with a damp cloth
  • 150 mlextra-virgin olive oil, 1/2 cup plus 2 tablespoons: 5 tbsp for the mushrooms, 3 for the onions, 2 for the pot
  • to tasteGreek sea salt and freshly ground black pepper
  • 3large red or yellow onions, peeled and quartered
  • 1 headgarlic, whole, wrapped in foil
  • 2 tspdried tarragon
  • 2 tspdried marjoram or thyme
  • 1 tspdried mushroom powder, heapingoptional
  • 2 tspall-purpose or almond flour, scant
  • 240 mldry Greek white wine, 1 cup
  • 1.2 Lvegetable stock, 1 1/4 quarts
  • 1 tbspbalsamic vinegar

Walnut gremolata

  • 110 gwalnuts or unsalted cashews, 1 cup, toasted and finely chopped
  • 1 cupfresh flat-leaf parsley, finely chopped
  • ¼ cupfresh mint, finely chopped
  • 2 tbspextra-virgin olive oil
  • 2 tspgrated lemon zest, plus 1 tablespoon juice from the same lemon
  • 1 clovegarlic, chopped

Diet

  • Vegetarian (lacto-ovo)
  • Vegan
  • Mediterranean

Contains

  • Gluten
  • Tree nuts
  • Almond
  • Cashew
  • Walnut
  • Celery
  • Sulfites
  • Wheat
  • Olive
  • Grapes
  • Citrus fruits (any)
  • Lemon
  • Nightshades (any)
  • Tomato
  • Onion family (any)
  • Onion
  • Garlic
  • Carrot
  • Marjoram
  • Parsley
  • Mint
  • Tarragon
  • Black and white pepper
  • Mushrooms (any)
  • Button, cremini and portobello
  • Histamine (aged and fermented foods)
  • Alcohol

Taste

  • Sweet
  • Sour / bright
  • Salty
  • Umami / savory
  • Bitter
  • Richness / fat
  • Smoke
  • Herbal / fresh
  • Aromatic spice

Texture

  • Brothy
  • Crunchy

Equipment

  • Oven
  • Stovetop
  • Blender

Season

  • Fall
  • Winter

Occasion

  • Weeknight
  • Entertaining

Effort

  • 45–90 min active
  • 1–3 hours total
  • Difficulty 2
  • Make-ahead friendly
  • Leftovers-friendly

Nutrition

  • Calories: moderate
  • Protein: low
  • Carbs: moderate
  • Fat: high
  • Fiber: moderate
  • Sodium: moderate

Budget

  • Budget: moderate

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