Gratin of Cardoons from Two Fat Ladies Obsessions by Clarissa Dickson Wright

Ingredients

• Salt and freshly ground pepper
• ½ cup grated mixed Cheddar and Parmesan cheeses
• 12 black olives, pitted and roughly chopped
• 1 black truffle, very thinly sliced
• 2 tbsp all-purpose flour
• 1¼ cups white wine
• Juice of ½ lemon
• ¼ cup olive oil
• 4-6 inner stalks of cardoon