2 lbs. ground beef
1/2 c. rice
1/2 c. onion, chopped
1 egg, slightly beaten
1 tsp. salt
1 (16 oz.) can tomatoes
1/4 c. vinegar
3 tbsp. brown sugar
1 tbsp. paprika
1 tsp. chili powder
2 to 3 tbsp. Worcestershire sauce
1 1/2 tsp. salt

Combine meat, rice, onion, egg, and salt. Form into 1 to 2 inch meatballs. Brown in hot skillet or cook in microwave on rack for 5 minutes on high. Place in crockpot. Mix remaining ingredients and pour over meatballs. Cook on low 4 to 6 hours or on high 2 to 3 hours. Stir occasionally.