2-3 lbs. beef flank steak
Soy sauce
Onions (optional)
Pepper
Oil
1 tbsp. sesame seeds
Garlic (optional)

Marinate steak with a 50/50 mix of oil and soy sauce. Enough to cover meat. Add sesame seeds, onions, and garlic. Marinate 24 hours and remove. Sprinkle with pepper and grill on open fire or oven broiler until brown.