If you thought a hot dog's sole purpose in life was being sandwiched inside a bun, think again. It turns out these popular sausages are just as delicious chopped up and added to casseroles, pasta bakes, and other oven-cooked dishes, even if you buy the worst hot dogs at the grocery store. Now, before you start screaming about culinary sacrilege, consider this: It's an easy and effective way of boosting the savory flavor of said dishes and an economical way to add protein.