Chinese sesame chicken

Name: Chinese sesame chicken
Cuisine: Asian, Chinese
Ingredients: - 1 lb chicken thigh, cut into 1.5 inches cubes; - 2 cloves of garlic; - black pepper to taste; 1.5 tsp soy sauce; 1/2 tsp of salt; - 3/8 tsp of baking soda; - 1 egg white; - 0.5 tbsp of starch (add it to the marinade); - 1 cup of Potato starch (use it to coat the chicken); - 2 cups of oil to fry the chicken; 2 tbsp of Honey; - 3 tbsp of brown sugar; 2.5 tbsp soy sauce; 3 tbsp of water; - 2.5 tbsp of ketchup; - 1 tbsp of vinegar; - Sweet potato starch water to thicken the sauce (2 tsp of potato starch mixed with 2 tsp of water); 1 tbsp sesame oil; Sesame seeds; Scallion for garnish