Follow these straightforward steps to create this incredible dish:

1. Cook Tortellini: In a large pot, bring salted water to a boil. Add the cheese tortellini and cook according to package instructions until al dente. Drain and set aside.
2. Sauté Vegetables: In a large skillet, heat olive oil over medium heat. Add the sliced onion and bell pepper. Sauté for about 5 minutes until softened.
3. Add Garlic: Stir in the minced garlic and cook for an additional minute until fragrant.
4. Incorporate Steak: Add the sliced, cooked steak to the skillet, mixing until heated through.
5. Make the Sauce: Pour in the heavy cream, stirring well to combine. Allow the sauce to simmer for about 3-5 minutes, thickening slightly.
6. Melt the Cheese: Gradually add the shredded provolone cheese to the sauce, stirring until melted and smooth.
7. Combine Ingredients: Add the cooked tortellini to the skillet, gently mixing until all ingredients are well coated with the creamy sauce.
8. Season: Taste and season with salt and pepper as needed.
9. Garnish: Garnish with chopped fresh parsley for a burst of color and freshness.
10. Serve: Transfer to serving plates and enjoy your delicious Cheesesteak Tortellini!