Cheese Sauce - cooking recipe

Ingredients

2 Tbsp. margarine
1/4 c. flour
1/2 tsp. salt
2 c. milk
1/2 tsp. prepared mustard
1 1/2 c. cut up cheese

Preparation

Melt margarine in a pan.
Mix in flour and salt. Add milk slowly, stirring until smooth. Cook and stir until sauce thickens. Add mustard and cheese. Stir over low heat until cheese melts. Makes 2 2/3 cups sauce.