Preheat 2 TBS of the oil in a large skillet over medium heat until 3 to 5 minutes or until the oil is hot. Place the coconut flour and the dry seasonings/spices in a large Ziploc bag. Seal the bag and turn to combined the dry ingredients. You can adjust the seasonings and spices according to your taste.
Add the chicken to the bag. Seal the bag and turn to coat the chicken pieces. Remove the chicken from the bag and place into the preheated skillet. Stir to combine the chicken with the oil. Cook, stirring occasionally 7 to 10 minutes or until the chicken is no longer pink.
While the chicken is cooking, Combine the hoisin sauce, syrup, liquid aminos and lemon juice in a small bowl. Whisk until fully combined. Gradually whisk in the xanthan gum until fully combined and smooth. Make sure the xanthan gum is fully dissolved. Set aside
Line a large plate with paper towels. Once the chicken is fully cooked transfer the chicken to the lined plate. Pour the remaining 1 TBS of oil into the skillet over medium heat. Add the broth and the sauce mixture. Whisk until fully combined and the sauce is smooth.
Bring sauce to a low boil and simmer 1 minute until thickened. Add the broccoli and peppers. Stir to combine and cook 5 minutes until tender. Return the chicken to the skillet and stir to coat with the sauce. Bring back to a low boil and simmer another minute until heated through. Serve desired amount by itself or over the keto rice substitute of choice.