6 tbsp. soy sauce
4 tbsp. red wine vinegar
1 tsp. sugar
1 tbsp. white sherry
1 slice fresh ginger
1 clove garlic
2-3 scallions

Marinate tuna no more than 1 hour or it will fall apart. Broil tuna no more than 5 minutes per side.

Marinate chicken breasts 2-3 hours and broil them on the grill 10 minutes.

Sauce can also be served with rice, etc.