Preheat your oven to 400°F (200°C). Line a large baking sheet with parchment paper for easier cleanup.

In a large bowl, toss the uncooked tortellini with the olive oil until they are lightly coated on all sides.

In a small separate bowl, mix together the grated Parmesan cheese, garlic powder, dried Italian herbs, salt, and pepper.

Sprinkle the seasoning mixture over the oiled tortellini and toss thoroughly until every piece is evenly coated with the cheese mixture.

Spread the coated tortellini in a single layer on the prepared baking sheet. Ensure they are not overcrowded to achieve maximum crispiness.

Bake for 12 to 15 minutes, stirring gently halfway through, until the tortellini are golden brown, slightly puffed, and crispy on the edges.

Remove from the oven and let cool for 5 minutes before serving immediately alongside the warmed marinara sauce for dipping.