How to make beef tongue:

• Combine the marinade ingredients together.
• Put the beef tongue and marinade in a deep tray and marinate for 1 hour. In the meantime, prepare your charcoal grill. 
• Slice the green onion as thinly as possible. 
• Grill the beef tongue for 30 seconds on one side. Then flip over.
• When the other side is grilling, place the green onions on the beef tongue.
• After 30 seconds, fold the beef tongue over and serve.
• Dip in the lemon juice or sea salt.