Fresh pork tenderloin has a film, which is shiny, moist and does not change color.

1. Peel the pig kidney, cut it open, remove the white tendons, rinse it several times, cut it into required pieces or flowers, rinse it with clear water and drain the water.

2.1000g pork tenderloin and100g soju are mixed, kneaded, rinsed with water for two or three times, and scalded with boiling water to remove fishy smell.