Stuffed Macaroni Shells

Ingredients

• 20 macaroni shells
• 1 1/2 lb. ground beef
• 1 medium chopped onion
• 1 1/2 tsp. oregano
• 1 tsp. sugar
• 1 1/2 tsp. salt
• 1 tsp. parsley
• 1/2 chopped green pepper
• 1 (18 oz.) can tomato paste
• 1/4 tsp. garlic powder
• 1/8 tsp. red pepper
• Mozzarella cheese