In a large bowl, toss cut chicken with egg, cornstarch, salt, and pepper. Set to the side.
In a medium bowl, whisk together sauce ingredients. Set to the side.
Warm oil in a large wok over medium high heat.
In batches, brown chicken breasts, about 4-5 minutes per batch. Chicken does not have to be fully cooked through yet.
Once chicken are browned, add in broccoli.
Cook for one minute, then add in sauce.
Cook until chicken is cooked through and sauce has thickened.
Serve with white rice.
The calories shown are based on the recipe serving 6, with 1 serving being 1/6 of the chicken and broccoli. The calories shown do not include rice. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate. **We are not dietitians and recommend you seek a nutritionist for exact nutritional information.**