Recipes › Soup › Crema Di Tartufo Nero Black Truffle Soup Recipe

Crema Di Tartufo Nero Black Truffle Soup Recipe

Recipe by Pedro M. A. Neves

Crema di tartufo nero is an elegant Italian soup that celebrates the earthy intensity of black truffles in a silky, luxurious preparation. This Piedmont-inspired dish combines caramelized onions, potato, and cream with shaved black truffle, creating a refined first course worthy of special occasions. The result is a sophisticated, deeply flavored soup with an unmistakable aroma that defines Italian fine dining.

Ingredients

• 500 g (1 lb 2 oz) yellow onions, thinly sliced
• 300 g (10.5 oz) Yukon Gold potatoes, peeled and diced
• 1 L (4 cups) vegetable or chicken stock
• 200 ml (3/4 cup) heavy cream
• 50 g (1.8 oz) unsalted butter
• 30 g (1 oz) black truffle (fresh or high-quality frozen), plus 8 g (0.3 oz) for garnish
• 2 cloves garlic, minced
• 1 bay leaf
• 4 sprigs fresh thyme
• Sea salt to taste
• White pepper to taste
• 30 ml (2 tablespoons) extra virgin olive oil
• 50 g (1.8 oz) Parmigiano-Reggiano, finely grated

Instructions

1. Heat butter and olive oil in a heavy-bottomed pot over medium heat. Add sliced onions and a pinch of salt, stirring occasionally until deeply caramelized and golden brown, approximately 18-20 minutes. Do not rush this step as caramelization develops the soup's foundation flavor.

2. Add minced garlic to the caramelized onions and stir for 1 minute until fragrant.

3. Add diced potatoes to the pot and stir to combine with the onion mixture. Cook for 2 minutes, allowing the potatoes to coat with oil and butter.

4. Pour in the stock and add bay leaf and thyme sprigs. Bring to a boil, then reduce to medium-low heat and simmer for 12-15 minutes until potatoes are completely tender and easily pierced with a fork.

5. Remove bay leaf and thyme sprigs. Finely mince or grate 30 g of black truffle directly into the pot, stirring to distribute evenly throughout the soup.

6. Carefully transfer the soup to a blender in batches, or use an immersion blender directly in the pot. Blend until completely smooth and creamy.

7. Return blended soup to the pot (if using a blender). Reduce heat to low and stir in the heavy cream. Heat through gently without boiling, approximately 3-4 minutes, while stirring occasionally.

8. Taste and adjust seasoning with sea salt and white pepper. The soup should be luxuriously creamy with pronounced truffle aroma.

9. Ladle soup into warmed bowls. Top each serving with a small shaving of fresh black truffle, a light drizzle of excellent olive oil, and a small pinch of grated Parmigiano-Reggiano.

Substitutions

• Replace heavy cream with crème fraîche or mascarpone for a tangier note
• Use summer truffle or truffle oil if black truffles are unavailable, adjusting quantity to taste
• Substitute vegetable stock with mushroom stock for deeper umami
• Use potato starch mixed with milk instead of cream for a lighter version

Tips

• Invest in high-quality black truffles or truffle products; inferior ones will disappoint. Frozen black truffle maintains flavor well and costs less than fresh.
• Avoid boiling the cream once added, as excessive heat can cause it to separate and diminish the soup's silky texture.
• Prepare this soup shortly before serving to preserve the fresh truffle aroma. Truffles' volatile compounds dissipate with time.
• For a more economical version, reserve the truffle garnish and blend a small amount of truffle through the soup body rather than adding large quantities throughout.

Crema di tartufo nero is a signature dish of the Piedmont region in northern Italy, where black Périgord truffles grow abundantly. This soup represents Italian fine dining tradition, often served as a primo course at elegant gatherings and in upscale restaurants in Alba and Asti.

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