(Preheat oven to 180°C for 5 minutes) Mix all the ingredients together and bake in the preheated oven at 180°C for 12-13 minutes.
Grind the oatmeal finely and set aside.
Mash the boiled soybeans, add oatmeal, matcha powder, and honey, then mix together.
Shape the dough into small round balls (soybean ball shape).
Heat a little cooking oil in a pan and cook the soybean balls over medium-low heat until golden brown.
Sprinkle matcha powder over the finished soybean balls to taste.