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Italian Chestnut Soup Recipe

Recipe by Pedro M. A. Neves

This Italian chestnut soup is a warming, earthy dish from the Piedmont region that celebrates autumn's prized chestnut harvest. The naturally sweet chestnuts are combined with aromatic vegetables and vegetable broth to create a silky, nourishing soup. Finished with sage and a drizzle of truffle oil, this Italian chestnut soup recipe captures the essence of rustic mountain cuisine.

Ingredients

• 400 g roasted chestnuts, peeled (14 oz)
• 2 tablespoons extra virgin olive oil
• 1 medium onion, diced
• 2 medium carrots, diced
• 2 celery stalks, diced
• 1 medium potato, peeled and diced
• 4 cups vegetable broth (1 liter)
• 1 bay leaf
• 4 fresh sage leaves
• salt and freshly ground black pepper to taste
• 100 ml heavy cream (3.5 fl oz)
• 1 teaspoon truffle oil
• crusty bread for serving

Instructions

1. Heat the olive oil in a large pot over medium heat. Add the diced onion, carrots, and celery, stirring occasionally until softened, about 5 minutes.

2. Add the diced potato and stir to combine with the vegetables, cooking for another 2 minutes.

3. Pour in the vegetable broth and add the bay leaf. Bring to a simmer over medium-high heat.

4. Roughly chop the roasted chestnuts into quarters and add them to the pot. Reduce heat to medium-low and simmer for 25 minutes until all vegetables are tender.

5. Remove the bay leaf and carefully transfer the soup to a blender in batches, or use an immersion blender directly in the pot to puree until smooth.

6. Return the soup to the pot if using a blender. Stir in the heavy cream and torn sage leaves, then season generously with salt and pepper.

7. Heat gently over low heat for 2-3 minutes, stirring occasionally, until heated through but not boiling.

8. Ladle the soup into bowls and finish each serving with a light drizzle of truffle oil and a crack of fresh black pepper.

Substitutions

• Replace heavy cream with crème fraîche or mascarpone for a tangier flavor
• Use canned roasted chestnuts if fresh or frozen roasted chestnuts are unavailable
• Substitute vegetable broth with chicken broth for deeper flavor
• Replace truffle oil with porcini-infused oil for an earthy alternative

Tips

• Roasted chestnuts from a jar or frozen roasted chestnuts work perfectly and save preparation time
• For a chunkier texture, partially blend the soup or add some whole chestnut pieces reserved before pureeing
• If the soup is too thick, adjust consistency by adding more broth or cream gradually while stirring
• Make this soup up to 2 days ahead and reheat gently; the flavors deepen after sitting

Chestnut soup is particularly beloved in the Piedmont and Tuscany regions of northern Italy, where chestnut forests have been cultivated for centuries. This soup represents mountain cuisine traditions and is often served during autumn festivals and holiday meals, celebrating the season's bounty.

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