100g potato, 350g water, 10g oil, 1g salt, 18.7g bean paste, 10g welsh, 3g garlic, 1g sesame.

Peel potato, slice it into pieces 0.3cm thick. Slice welsh and mince garlic. Pour oil in heated pan, add half welsh and roast it for a while, pour water, add bean paste and potate and boil it. When potato has been cooked, season with salt, add remaining welsh, garlic, sesame and serve in soup bowl.