Meatball Hors D'Oeuvres

2-1/2 lbs. Precooked Meatballs
1 - 8 oz Jar Grape Jelly
1 - 12 oz Jar Heinz Chili Sauce

Mix jelly and chili sauce. Place meatballs in crock pot. Pour sauce over meatballs. Simmer on low for 2 to 3 hours.