Cut pork into desired size Mine were cut to 1.5 cm thick, then 3 cm pieces.
Marinate the pork with 1 tbsp light soy sauce, 1 ½ tsp sugar and 2 tsp cornstarch for 15 minutes. Set aside.
Slice onions.
In a container, mix 3 tbsp ketchup, 1 tbsp sugar, 1 tbsp light soy sauce, 1 tbsp white vinegar, 2 tsp cornstarch and 90 ml water. Mix well and set aside.
In a fry pan, heat to medium-high heat, add 2 tbsp oil and fry the pork until browned (approx. 2 minutes each side). Remove pork from pan and set aside. Leave the oil in the pan.
Add onions to the pan. Fry until soften.
Give the sauce mixture a mix and pour it into the pan. Stir until thicken.
Add pork back into the pan, lower heat to low, cover with lid and let braise for 10 minutes.
