Thin White Sauce 1 tbsp butter or fat 1 tbsp flour 1/4 tsp salt 1 cup milk, cream, or stock Medium White Sauce 2 tbsp butter or fat 2 tbsp flour 1/4 tsp salt 1 cup milk, cream, or stock Thick White Sauce 3 tbsp butter or fat 3-4 tbsp flour 1/4 tsp or more salt 1 cup milk, cream, or stock Method #1 Melt fat, stir in flour and salt. Cook until mixture bubbles. Remove from heat; add liquid, and stir until smooth. Cook in double boiler or over low heat until mixture thickens, stirring constantly or not at all. Method #2 Melt fat and remove from heat. Add flour and salt. Stir until smooth. Add liquid gradually, stirring constantly over low heat until mixture thickens. Method #3 Stir enough liquid into flour and salt to form a thin smooth paste. Scald remainder of liquid in double boiler. Add flour paste to hot liquid, stirring constantly until mixture thickens. Cover and c...