3-4 servings | 30 min 

Ingredients

300g pork mince meat
1 small onion, finely diced
1 tbsp of potato starch
3 tsp of sake kasu
2-3 tbsp of sake/white wine
 (A) 1+1/2 tbsp of soy sauce
 (A) 1 tbsp of sugar
 (A) 3 tbsp of ketchup
 (A) 1 tsp of rice vinegar

Preparation

Mix minced meat and sake kasu well and leave it for about 12 hours in the fridge.

Instructions

1. Chop onions finely.
2. Mix minced meat, onion and potato starch well in a bowl.  Put some oil on your hands and make 12-14 small meatballs.
3. Heat up a small amount of cooking oil in a pan and gently place the meatballs. 
4. When you hear some crackling sound from inside the pan, add sake/white wine to it and put a lid on top of the pan. 
5. Steam the meatballs for 5-6 min in a pan on low heat.
6. Add (A) into a pan when the meatballs are lightly browned. Heat it for a while until the sauce is thickened.