Step 1

In small bowl, whisk together orange juice, soy sauce, ginger, garlic, 1 tablespoon oil, sriracha, vinegar, brown sugar, orange zest, and pepper. Place chicken in a large ziploc bag; pour 1/3 cup marinade over chicken. Seal bag and marinate in refrigerator 1 hour.

Step 2

Remove chicken from marinade; discard marinade. Heat large skillet or wok over high heat. Add remaining oil. In 2 batches, add chicken and cook each batch 5 to 6 minutes or until chicken is golden brown and has lost its pink color throughout, stirring frequently. Remove chicken from pan.

Step 3

Reduce heat to medium-high; add remaining marinade to skillet; heat to boiling. In small bowl, whisk together cornstarch and 1 tablespoon water; whisk into marinade, and boil 1 minute. Return chicken to skillet; cook 1 minute or until heated through. Serve over rice or quinoa, sprinkled with green onions.