Instructions

  1. Preheat oven to 350 degrees.
  2. Mix ground beef, onion, egg, salt, pepper, and 1/2 can tomato sauce.
  3. Put in pan; set aside.
  4. In small bowl, mix 1/2 can tomato sauce, mustard, vinegar, and brown sugar.
  5. Pour over meatloaf.
  6. Bake 2 hours at 350 degrees.