Whisk together the chili sauce and grape jelly and pour over meatballs. Cook on LOW heat for 3 to 4 hours, until heated through. Stir to coat occasionally through cooking.
Notes
HOMEMADE MEATBALLS - If you would like to use homemade meatballs, check out my recipe here: Make Ahead Frozen MeatballsSTOVE TOP - You can easily prepare these meatballs on the stove top by combining all the ingredients in a large pot and heating it over medium, low heat. Cook until the meatballs are heated through, stirring often.