
Preheat oven to 350°F.
In medium bowl, combine turkey, egg, garlic, onion, breadcrumbs, chili powder and cumin; shape into approximately 36 (¾-inch) balls.
Place finely crushed tortilla chips on a plate. Roll each meatball in chips, coating thoroughly.
Lightly coat 15 x 10 x 1-inch baking pan with cooking spray and arrange meatballs on pan. Bake 30 minutes or until well-done, 165°F. as measured by a meat thermometer.
Serve with sour cream and salsa, if desired.