Make the sauce: In a medium bowl, add orange zest, orange juice, chicken broth, honey, soy sauce, toasted sesame oil, garlic powder, ground ginger, black pepper, red pepper flakes and cornstarch. Whisk very well and set aside.
Cook the chicken: Preheat large skillet (cast iron skillet is the best for browning) on high heat and swirl oil to coat. Add chicken and cook uncovered for 7 minutes, stirring a few times.
Whisk the sauce in a bowl once again and add to the skillet. Reduce heat to medium-high, cook for about 5 minutes or until sauce has thickened, stirring a few times.
Serve hot garnished with green onion and sesame seeds, over a bed of rice or quinoa.
Notes
Store: Refrigerate leftovers in an airtight container for up to 3-4 days.
Freeze: In an airtight container for up to 3 months. Thaw in the fridge overnight. Reheat in a pot with a splash of water or broth, simmering on low while covered. Stir a few times.