In a small, heavy saucepan, melt 2 tablespoons of butter over low heat.
Blend 2 tablespoons of flour into the melted butter.
Add 1/4 teaspoon of salt.
Cook over low heat, stirring, for 4 to 5 minutes. Cooking for this length of time will minimize 'flour' taste.
Slowly add 1 cup of milk or...