Bean Salad
Mix following salad dressing with cold cooked beans: 1 cup of sour cream, 1 cup of vinegar, 2/3 cup sugar, 1 tablespoon butter or olive oil, 1 teaspoon flour. Boil vinegar, sugar and butter; beat egg, cream and flour together, and add to the mixture while on the stove, and boil 5 minutes. Before removing from stove, add 1 teaspoon each of salt, pepper and mustard. This dressing will keep indefinitely.