Cut the chicken into bite sized pieces.
1 pound chicken breasts
In a medium bowl mix the soy sauce, rice wine vinegar, corn starch and brown sugar. Stir the chicken pieces into the marinade and let sit while you chop the vegetables and prepare the homemade kung pao sauce.
1 tablespoon soy sauce, 1 tablespoon rice wine vinegar, 2 teaspoons corn starch, 1 teaspoon brown sugar
Chop the red bell pepper, zucchini and scallions.
1 red bell pepper, 1 medium zucchini, 6 scallions
Mix chicken broth, soy sauce, rice wine vinegar, garlic, sesame oil, brown sugar, and red pepper flakes together in a small bowl or measuring cup. You will add the corn starch right before you put the sauce into the frying pan. 1/2 cup chicken broth, 6 tablespoons soy sauce, 2 tablespoons rice wine vinegar, 1 tablespoon minced garlic, 1 tablespoon brown sugar, 2 teaspoons sesame oil, 1/2 teaspoon crushed red pepper flakes
Heat canola oil in a large skillet over medium-high heat and cook chicken, stirring constantly, until it is beginning to brown, about 3 minutes.
1 tablespoon canola oil
Add bell pepper, zucchini, and peanuts; continue to cook stirring very often after 3 1/2 minutes add the green onions and cook another minute or so.
1/4 cup peanuts
Whisk the cornstarch into the sauce, add the sauce mixture to the pan and cook until the sauce thickens, about 1-2 minutes.
1 tablespoon corn starch
Serve over white rice, brown rice, fried rice, or lo mein noodles just like you would get at the Chinese restaurants.