Marinate the chicken slices with salt until well-combined.
Spread the chicken slices, yellow onion, red chilli, green chilli around the pan.
Evenly distribute pepper, sugar, light soy sauce, sesame oil, garlic, spring onions, Korean chilli paste, and kimchi in the pan.
Pour in all the water.
Switch on the heat to medium. Cover the pan and bring to a boil. It takes about 8 minutes.
Once the stew is boiling vigorously, gently stir to mix the ingredients. Keep the kimchi on the top layer as the soup is stirred.
Cover the pan and cook for 10 minutes.
Taste and adjust as preferred.
Add the tofu at the top. Scoop and pour some of the gravy over the tofu.
Cover and cook until the tofu is cooked. It takes around 3 minutes.
Switch off the heat. Garnish with cut spring onions.
Serve.