1 c. soy sauce
1 tsp. sugar (more if you like)
1 heaping tsp. fresh ginger root, minced
1-2 cloves garlic, minced
1 tbsp. sesame seed
1 tbsp. sherry or brandy
1 tbsp. cooking oil

Combine all ingredients in a glass or plastic bowl and marinate steaks for about 1 hour before cooking. Cook under broiler or on gas or charcoal grill.