From the kitchen of Peggy Hinnah, Fulton, Missouri
Preheat oven to 350 degrees.
Mix hamburger, onion flakes, crackers, egg and ketchup in a bowl, and form the mixture into balls.
In a small bowl, make the sauce by mixing together ketchup and brown sugar to taste.
Place the meatballs in a glass baking dish, cover with the sauce and bake for 1 hour.