Best Casserole Recipe: Popover Pizza Casserole

A popover recipe that involves pizza? Can't get better than that. Don't be surprised if unexpected company pops over to help you enjoy this tasty casserole. 1 pound ground beef 1 (14 or 15 oz.) jar or can pizza sauce 2 eggs 1 cup milk 1 tablespoon vegetable oil 1 cup all purpose flour