Cheese and Bacon Filling

Fry the bacon in a large skillet over medium high heat for 10 minutes or to desired crispiness. Drain excess fat crumble bacon and set aside.

Melt the butter or margarine in a large saucepan over medium heat. Add the flour stirring constantly to form a roux.

Slowly add the milk stirring often to avoid lumps. Then stir in the salt and pepper to taste mustard powder and the cheese.

Let simmer for 1 minute allowing cheese to melt some remove from heat add the bacon and stir well.