Preheat oven to 350 degrees F. Spray a muffin tin with nonstick cooking spray.
Mix ground turkey, chilies, bread crumbs, garlic, oregano, chili powder, cumin and salt in a medium bowl until well blended. Add the turkey mixture to the muffin tins. Bake for 25-30 minutes until lightly browned and cooked through.
Meanwhile, dice tomatoes, finely chop onion, cilantro and green onion. Place in a mixing bowl and season with garlic powder, salt and pepper. Cover and place in the refrigerator until ready to serve.