Cook the Tortellini: Boil tortellini according to package instructions. Drain and set aside.
Prepare the Alfredo Sauce: In a large skillet, melt butter over medium heat. Add garlic and sauté for 30 seconds until fragrant.
Make it Creamy: Stir in heavy cream and bring to a gentle simmer. Add Asiago and Parmesan cheeses, stirring until melted and smooth. Season with salt and pepper.
Combine: Add cooked tortellini to the sauce, tossing to coat evenly.
Add Chicken: Arrange sliced grilled chicken on top or fold into the pasta.
Serve: Garnish with parsley if desired and serve immediately.
