Preheat oven to 400°F.

Combine turkey, crushed croutons, egg, and sage in a large mixing bowl.

Mix well using hands or a spoon.

Season with black pepper.

Line a baking sheet with foil and spray with nonstick cooking spray.

Form mixture into balls the size of walnuts and place on prepared baking sheet.

Bake for 15-20 minutes or until cooked thoroughly.