Wash the beef belly: the beef belly is added to the salt wash twice, the third time with the wine wash, the fourth time with the sweet potato powder wash.
Pick up the beef belly: remove the slice of the tripe after 1 minute of boiling water.
Add water to the pot, add tripe, ginger, angelica, alfalfa, cooking wine, salt. Fire for 20 minutes and turn to a small fire for 10 minutes.