1. In a skillet, cook meatballs in soy sauce until heated through.
2. Combine the chili sauce, jelly and mustard; pour over the meatballs.
3. Cook and stir until jelly is melted and mixture comes to a boil.
4. Reduce heat; cover and simmer for 1 to 2 minutes.
5. Yield: 2 dozen meatballs