Preheat the oven to 400°F (200°C) and lightly grease a baking sheet.
Bring a large pot of salted water to a boil and cook the tortellini according to package instructions.
Drain the tortellini well and transfer them to the prepared baking sheet.
Drizzle melted butter or olive oil over the tortellini.
Sprinkle chili flakes and Parmesan cheese evenly on top.
Bake the Delicious Tortellini Party Snacks for 15 minutes or until golden brown and crispy.
Let cool slightly before garnishing with parsley.
Serve warm with marinara sauce for dipping.