Creating your own Cheesy Tortellini Bake is easy with these simple steps:

1. Preheat your oven to 350°F (175°C).
2. Cook the tortellini according to package instructions. Drain and set aside.
3. In a large skillet, heat olive oil over medium heat.
4. Sauté the diced onion and garlic until translucent, around 3-5 minutes.
5. Add the diced red bell pepper and cook for an additional 2-3 minutes.
6. Stir in the spinach, allowing it to wilt, and season with salt and pepper.
7. In a large bowl, mix the cooked tortellini with the sautéed vegetables.
8. In another bowl, combine marinara sauce, heavy cream, and Italian seasoning.
9. Pour the marinara mixture over the tortellini and stir until well blended.
10. Transfer the mixture to a greased 9×13 inch baking dish.
11. Sprinkle the mozzarella cheese and Parmesan evenly over the top.
12. Bake in the preheated oven for 25-30 minutes or until the cheese is bubbly and golden brown.
13. Remove from the oven and let it cool for a few minutes before serving.

These straightforward steps will guide you in creating a delightful dish that’s sure to please your palate!