Tastes just like your favorite Chinese restaurant dish!
Wisk cornstarch with water. Add garlic, ginger, sugar, soy sauce, vinegar, wine, and chicken broth. Stir until sugar dissolves. Refrigerate until needed.
In separate bowl, mix chicken, soy sauce, and white pepper. Stir in egg. Add cornstarch and mix until chicken pieces are coated evenly. Add vegetable oil to help separate chicken pieces. Divide into small quantities and deep fry at 350 degrees until crispy. Drain on wire rack.
Place a small amount of oil in wok and heat until wok is hot. Add onions and dried peppers. Stir-fry briefly. Stir sauce mixture and add to wok. Place chicken in sauce and cook until sauce thickens.