Cut the chicken into bite sized pieces, and coat in salt and pepper to taste.
Place the chicken pieces into a Ziploc bag, and sprinkle in ½ tbsp of Xanthan gum. Close the bag and shake to coat all the chicken pieces evenly.
Heat 1 tbsp of olive oil and 1 tsp of sesame oil in a skillet over medium-high heat.
Add the chicken pieces to the heated skillet.
Let the chicken sit for 3-4 minutes on one side, and then flip to the other side and cook for an additional 2-3 minutes, or until cooked through and seared well. The xanthan gum should allow the chicken to get a bit crispy and crunchy on the outside.
While the chicken is cooking, add the coconut aminos, brown sugar substitute, rice cooking wine, ginger paste, minced garlic and 1 tsp of sesame oil to a small bowl, and whisk to combine.
Pour the sauce over the mixture in the skillet, and cook for another minute or two, stirring to combine.
Serve with sesame seeds and/or fresh chopped green onions for garnish.