Spicy Orange Sesame Chicken

Name: Spicy Orange Sesame Chicken
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: Asian
Ingredients: 1 1/2 pounds boneless chicken breasts, cut into cubes; 1 egg white; 1 tablespoon tamari or soy sauce; 1 tablespoon orange zest; black pepper; 1/3 cup cornstarch; 1/3 cup avocado oil; 1/3 cup low sodium chicken broth; 1 cup fresh orange juice + 2 tablespoons zest; 1/3 cup tamari or soy sauce; 2 tablespoons rice vinegar; 3 tablespoons honey; 4 cloves garlic, grated; 1 tablespoon fresh grated ginger; 1/2-1 teaspoon chili flakes; 2 tablespoons toasted sesame seeds; green onions and sesame seeds, for serving