1/2 lb. Butter
1/2 c. flour
1 can evaporated milk
1/2 t. salt
2 c. sugar
3 T. cocoa
Mix dry ingredients. Add milk. Stir. Add butter and cook on high for 4 minutes, stirring. Cook 3 more minutes on medium, stirring until thick. Blend to make smooth.
Yield: about 3 1/2 cups. Keep refrigerated.