Stuffed Shells with Meat Sauce so easy to make and so good! INGREDIENTS 1 lb. Ground beef 1/2 lb. Sweet Italian sausage 1 red bell pepper, diced (you can also add a green pepper. I just don’t like green pepper) 1 yellow onion, diced 36 oz. Tomato or Pasta sauce like Prego (like a jar and 1/2) 1 tbsp. sugar 15 oz. Ricotta cheese, whole milk 10 oz. Parmesan cheese 8 oz. Fresh sliced Mozzarella (cut each slice into fours) 1 cup provolone and mozzarella blend 1 bag spinach (10 oz.) cooked 1 box jumb