FILLETS OF SOLE À L'ITALIENNE

Arrange the prepared fillets in a buttered saucepan, with salt, pepper, chopped onion, and half a cupful of white wine. Cook for ten minutes and drain carefully, reserving the liquid. Add four tablespoonfuls of chopped mushrooms, and two cupfuls of Spanish Sauce. Add a tablespoonful of butter, a teaspoonful of minced parsley, and the juice of half a lemon. Pour over the fish and serve.