Wash the chicken and cut it into small pieces for even cooking.

Mix 3 tbsp cornstarch, a pinch of pepper, and 2-3 pinches of salt with the chicken.

Coat the chicken evenly with the cornstarch mixture.

Prepare the sauce by mixing 1 tbsp garlic, 8 tbsp soy sauce, 2-3 tbsp lemon juice, a pinch of pepper, 2 tbsp plum extract, and 1 tbsp sugar.

Heat a pan with enough oil to cover the bottom but not submerge the chicken.

Pan-fry the chicken until golden brown on both sides.

Drain excess oil using kitchen towels.

Add the chicken and prepared sauce to a pot and simmer for 8-10 minutes.