CREAM SAUCE MIX 1 cup all purpose flour 1 tsp. salt 1 cup butter or margarine 2 cups dry skim milk powder Combine flour, salt and milk powder. Cut in butter with a fork or blender until mixture resembles fine crumbs. Store in a covered jar in refrigerator. To make 1 cup thin white sauce Combine + cup mix with 1 cup cold water. Cook over hot water, stir until thick. To make 1 cup medium sauce Combine 4 cup mix with 1 cup cold water. Cook over hot water stir until thick. To make 1 cup thick sauce Combine 1 cup mix with 1 cup cold water, vegetable liquid or stock may be used in place of some or all water.