Potato Salad Dressing - cooking recipe

Ingredients

2 Tbsp. flour
2 tsp. sugar
1 tsp. salt
1 tsp. dry mustard
3/4 c. water
1 egg, well beaten
2 Tbsp. melted butter
1/4 c. vinegar

Preparation

Combine dry ingredients.
Add beaten egg.
Mix thoroughly. Add butter, vinegar and water.
Cook over low heat, stir until thick and smooth.