Heat up a wok over a high heat and add in the cooking oil. Premix the sauce by combining together the vinegar, soy sauce, ketchup, chilli flakes, bourbon and sugar.
Add the chicken to the wok and stir fry for two minutes. Add in the ginger and garlic plus the whites of the spring onion. Fry for a further 2-3 minutes, moving the ingredients around the wok.
Pour in the pre mixed sauce and coat the chicken by tossing it around the wok. Bring to a simmer. Simmer until the chicken is cooked through. Add in the water/cornstarch solution. Simmer and reduce down until the sauce thickens up nicely and is a glossy brown. Plate up, serve with your choice of side and garnish with the greens of the spring onion and enjoy. :)
