12 lg. onions
2 cloves garlic
5 (16 oz.) can whole tomatoes
1 can Rotel tomatoes
4 cans tomato paste
1 (3 oz.) bottle chili powder

Chop onions and garlic in food processor or meat grinder. Mix all ingredients together in large heavy pot, and simmer for 6 hours. Cool and freeze up to a month. When ready to use, heat and pour over cool meat balls.