Cut chicken into medium bite size pieces. Add all the ingredients from the chicken marinate list, mix well and marinate for 15 minutes.
Add one egg into the marinated chicken and mix well. Coat the chicken pieces with Corn/potato flour and toss the excess flour out before frying.
Heat the oil into high heat about 350° F. Add the coated chicken pieces and deep fry for 2-3 mins till chicken turn into cispy golden brown. Remove from oil and set aside.
Heat the pan, drizzle a tablespoon of oil and add the chopped garlic. Stir for few seconds with medium heat till the nice smell come out.
Pour all the ingredients from the sauce mix in it. Mix well and let it simmer for few seconds.
Lower the heat, add the fried chicken pieces, mix well to combine the sauce and chicken pieces together for few seconds.
Sprinkle the toasted sesame seeds in the final step.
Transfer to serving plate. Garnish with toasted sesame seeds, korean chilli flakes and spring onions slices.
Delicious Korean Fried Chicken is ready! Serve immediately.