Swedish Potatoes Au Gratin


1/2 cup flour

1/2 cup margarine

1 teaspoon dry mustard

1 teaspoon salt

1/2 teaspoon pepper

1 qt milk

1 cup cheese grated

8 potatoes


Boil potatoes with jackets on, peel and dice.
Melt margarine and add flour, mustard, salt & pepper. Mix well and add milk. Cook and stir until smooth and thick. Add cheese and stir to melt.
Pour sauce over potatoes. Bake 30 minutes at 350 degrees