Start by trimming the meat and tenderizing it.

Neobiani-gui (Grilled Marinated Beef)
How to make delicious Neobiani-gui using a grill, a menu item for the Korean Cuisine Technician practical exam.
What You'll Need
Instructions
Slice the beef against the grain into 0.5cm thick pieces.
Tenderize the meat by pounding both sides with the back of a knife.
Neatly trim off any ragged edges and tendons from the beef with a knife.
Soak the prepared beef in pear juice.
Finely mince the green onion and garlic.
Make the marinade by mixing 2 tbsp soy sauce, 1 tbsp sugar, minced green onion, minced garlic, sesame seeds, sesame oil, and 1 tbsp of the remaining pear juice.
Remove the beef from the pear juice, coat it evenly on both sides with the marinade, and let it marinate for 25 minutes.
⏱️ 25m 0sMince the pear with a mallet to prepare the pear juice.
Heat the grill and coat it with cooking oil.
Place 6 pieces of the marinated beef on the grill, ensuring they do not overlap.
Grill the beef over high heat, flipping the grill as needed.
⏱️ 10m 0sNeatly plate the freshly grilled Neobiani.