Ingredients Needed
6 Medium Potatoes
1/4 Cup Butter or Margarine (1/2 Cube)
2/3 Cup Chopped Onion
1 Tablespoon All-Purpose Flour
1 Teaspoon Salt
1/4 Teaspoon Black Pepper
2 and 1/2 Cups Milk
3 Cups shredded Cheddar Cheese
1/2 Cup Dry Bead Crumbs or Flavored Crouitons

This made a 3 quart casserole of Cheesy au Gratin Potatoes.