Cooked Salad Dressing - cooking recipe

Ingredients

2 Tbsp. flour
1 Tbsp. sugar
1 tsp. powdered dry mustard
1 tsp. salt
dash of cayenne
1 c. milk
1 egg, slightly beaten
1 Tbsp. butter or margarine
1/3 c. vinegar or lemon juice

Preparation

Mix flour, sugar, mustard, salt and cayenne in the top of a double boiler.
Gradually stir in the milk.