1 teaspoon olive oil
1 pound boneless, skinless chicken breast halves
1 medium onion, diced - green parts only
1 (10.75 ounce) can Ortega Carne Parmesan cheese, divided
1/2 teaspoon garlic powder
1 (28 ounce) can crushed tomatoes with green chile peppers, divided
Heat olive oil in a large skillet over medium heat. Stir in chicken, onion, 5 to 8 minutes. Increase heat to medium-high, and continue to saute, stirring, until chicken is cooked through.
Remove chicken from skillet, reserving liquid. Pour into 4 large bowls. Sprinkle with reserved cheese and garlic powder.
Cover bowls and refrigerate 2 hours, stirring, before serving.