- Preheat oven to 350°F.
- Arrange prebaked phyllo cups on an ungreased baking sheet.
- Place one frozen meatball in each phyllo cup.
- Top each with 1 tablespoon of marinara sauce.
- Bake for 10 minutes or until meatballs are heated thoroughly.
- Remove from oven and top with a sprinkle of grated parmesan cheese.