3 bacon and swiss au gratin potatoes Recipes

potatoes, peeled and sliced 1/4 inch thick (about 6 medium potatoes), butter, flour, heavy cream (or milk is fine), salt, pepper, garlic powder (optional), swiss cheese, shredded, bacon, cooked and crumbled

bacon , cooked crisp and crumbled, sliced potatoes, butter or 2 tbsp margarine, chopped sweet onion, all-purpose flour, milk, shredded swiss cheese, divided, dry mustard, cayenne pepper, salt, divided, ground black pepper, divided, garlic powder, divided