1/4 c. butter
1/4 c. flour
1/2 tsp. salt
2 c. milk
1/2 tsp. mustard
1-1/2 c. cut-up process cheddar cheese
3 c. cooked macaroni

Melt fat and mix in flour and salt. Add milk slowly, stirring constantly, until sauce starts to boil. Lower heat and cook 3 minutes, or until thick. Add mustard and cheese. Stir over low heat until cheese softens. Mix in cooked macaroni and heat through. Serve with broiled tomatoes, asparagus, lettuce and apple crisp. Makes 6 servings.