Mrs. Ada Wright's Homemade Dressing for Frozen Salad

1 egg
1 Tbsp. flour
1/2 c. sugar
3 c. vinegar
1 c. milk or pineapple juice
1 Tbsp. butter
Cook all ingredients, stirring constantly. Follow direction for mixing as in the frozen salad.

Early 60's recipe, found handwritten in my mother's box.