Veal Piccata with Lemon and Courgette Flans

Name: Veal Piccata with Lemon and Courgette Flans (Piccata de veau au citron et flan de courgettes)
Yield: For four people
Cuisine: French
Ingredients: 8 little medallions of veal, prepared by the butcher (taken from the fillet); 2 tablespoons flour, sifted; 50 g (2 oz) butter; 2 tablespoons olive oil; 3-4 tablespoons dry white wine; zest and juice of 2 lemons; 1 ripe tomato, skinned, deseeded and cut into large dice; 4 medium courgettes, diced; 3 eggs; 500 ml (16 fl. oz) double cream or crème fraîche; 500 ml (16 fl. oz) double cream or crème fraîche; salt, freshly ground pepper, grated nutmeg; salt, freshly ground pepper, grated nutmeg; salt, freshly ground pepper, grated nutmeg