Thin sauce; Makes 1 & 1/2 cups 1 tablespoon butter 1 tablespoon flour 1/4  teaspoon salt dash of white pepper 1 1/2 cup milk 1 cup shredded sharp natural cheddar cheese Medium sauce; Makes 1 & 1/2 cups 2 tablespoons butter 2 tablespoons flour 1/4  teaspoon salt dash of white pepper 1 cup milk 1 cup shredded sharp natural cheddar cheese Thick sauce; Make 1 & 1/2 cups 3 tablespoons butter 4 tablespoons flour 1/4  teaspoon salt dash of white pepper 1 cup milk 1 cup shredded sharp natural cheddar cheese Melt butter in a saucepan over low heat. Blend in flour, salt and pepper. Add milk all at once and quickly stir with a wire whisk till mixture starts to thickens, add cheese and continue whisking until the cheese is melted and the sauce is the desired thickness. Set aside and keep warm till used.