Easy Ham Potato Casserole Ingredients 3 tablespoons all-purpose flour 1 1/2 cups milk salt and ground black pepper to taste 1 (8 ounce) package shredded Cheddar cheese 1/4 cup bread crumbs 6 small potatoes, peeled and cubed 3 tablespoons butter 2 cups cubed fully cooked ham 1 small onion, finely chopped 1/4 cup butter Instructions