1. Combine soy sauce, sugar, sesame oil, sesame salt, pepper,
scallions, garlic, ginger, sak and red pepper flakes in a medium-size
bowl. Add the meat and toss. Allow to marinate at least 30 minutes.

2. Cook the meat over medium-high heat on a stove-top grill. Heat the
grill first, making it very hot. Add the oil. Cook the meat 1-2
minutes on each side, browning it nicely. Garnish with sesame seeds.

Sesame salt: Place 1 cup sesame seeds in a frying pan over medium
heat and toast, stirring constantly, until they just begin to turn a
light brown. Place in a food blender. Grind to a coarse texture and
stir in the salt. Keep in a covered jar in the refrigerator.