This meatloaf does not have bread crumbs or crushed up corn flakes in it. It is 100% meat! Leftovers make excellent sandwiches.
- Preheat oven to 350 degrees.
- Mix ground beef, onion, egg, salt, pepper, and 1/2 can tomato sauce.
- Put in pan; set aside.
- In small bowl, mix 1/2 can tomato sauce, mustard, vinegar, and brown sugar.
- Pour over meatloaf.
- Bake 2 hours at 350 degrees.