To prepare the sauce, combine and whisk all sauce ingredient in a bowl. Set aside.
To prepare the chicken, cut the chicken into roughly 1-inch pieces. In a bowl, combine the chicken, arrowroot starch, and a pinch each of salt and pepper. Toss to combine, until all the chicken pieces are coated in arrowroot.
Heat the avocado oil in a medium skillet over medium high heat. Once the oil is hot, toss in your chicken pieces and spread them into one even layer.
Cook on one side for about 4-5 mins, until golden brown. Flip the pieces and cook for another 4 mins, until brown and crisp.
Lower the flame to medium. Stir in the sauce and cook for about 2 minutes, until sauce is thickened and chicken is evenly coated.
Serve hot over brown rice and top with sesame seeds and sliced scallions.
Now you may throw away your takeout menu. ?