Coat the chicken pieces with a little all-purpose flour and fry until golden. Remove and set aside.

Heat oil in a pan until hot. Add garlic and stir-fry until golden. Add the fried chicken and onions, then add water. Season with oyster sauce, soy sauce, chicken seasoning, and sugar.

Add the mushrooms and stir-fry until cooked. Add sesame oil, cashew nuts, and fried chilies. Stir until well combined.

Turn off the heat and add green onions. Stir briefly and serve on a plate.