Bring everyone together for a meal that’s sure to bring about hungry calls for seconds! After browning sausage with onion and green bell pepper, add marinara sauce, diced tomatoes and garlic powder and cook until it becomes a thick sauce. Cook tortellini and fold into simmering sauce, then bake with a melty top of mozzarella cheese. All the ingredients kids and adults love, all in one bubbly delicious dish! Get the recipe for Italian Sausage Tortellini Bake.