Cooked Salad Dressing - cooking recipe

Ingredients

1 c. sour cream
2/3 c. sugar
2 eggs, beaten
1 c. vinegar (weaken if too strong)
1 Tbsp. butter
1 tsp. flour

Preparation

Beat eggs; add cream and flour.
Add rest of ingredients and boil 5 minutes.
Just before removing from stove, add 1 teaspoon each of salt, pepper and dry mustard.
Stir.
Can be kept a long time.