Mix sliced chicken with marinade and let stand for 15 minutes. Prepare sauce mixture
Heat wok, pour in 1 tbsp oil and heat. Stir fry celery and onions for 1-2 minutes. Season lightly with salt and sugar. Set aside. Add 1 tbsp oil and stir fry peas with red bell peppers for 1-2 minutes, also season lightly with salt and sugar. Set aside. Add 2 tbsp oil and stir fry chicken until done. Stir the prepared sauce mixture and pour over chicken, stirring until sauce thickens. Add vegetables, then add cashew nuts. Mix well and serve.