Crab a la Creole

Fry in four ounces of butter, four young onions, one clove of garlic
and two green peppers, all chopped fine. Cook until soft and add one
tomato cut up, salt, pepper and cayenne. Stew until smooth, and add
one teaspoonful of flour, a little cream or rich milk, and the meat
picked from two crabs. Boil a few moments and serve with buttered