Add ingredients to your crockpot. Pour the whole jar of grape jelly, whole bottle of chili sauce and add all of the frozen meatballs to your crockpot. Toss to coat. Cook on low for 2 hours, stirring about mid-way through.
Serve. Change the crockpot setting to warm. Offer toothpicks, a slotted spoon or tongs for serving.
Video
Notes
*To make this dish vegetarian use meatless meatballs.Chili sauce can be found in the condiments aisle.