My hubby says this is his favorite side dish of all time!

Ingredients:

3 pounds thinly sliced potatoes
4 tablespoons all-purpose flour
2 sliced onions
12 ounces cooked and crumbled bacon
4 tablespoons unsalted butter
3 cups whole milk
2 tablespoons oil
8 ounces shredded cheese of choice
Salt and pepper to taste