Cut sausage into 4 or 5" pieces and brown on all sides in batches in skillet. Saute peppers, onions, and garlic in drippings. Combine tomato puree, sauce, and paste in bowl. Add seasonings and sugar. Layer half of sausage, onions, and peppers in 6qt cooker. Cover with half the tomato mixture. Repeat layers. Cover. Cook on high 1 hour and low 5-6 hours. Serve over pasta or Italian rolls. AWESOME!