Cream of Lamb's Lettuce and Mushroom Soup, a recipe from the Worldwide Gourmet

Ingredients

• - 300 g (10 oz.) or 2 baskets of mache (Lamb's Lettuce)
• - A few ceps (porcini) or chanterelle mushrooms
• - 1 French shallot
• - 1 bunch of chervil
• - 1 tbsp. olive oil
• - 500 ml (2 cups) chicken stock
• - 6 g (1 tsp.) sugar
• - 150 ml (10 tbsp.) liquid crème fraîche or heavy cream
• - Salt and pepper