1/2 cup low-sodium Soy Sauce
1 tsp Ginger; grated
1/4 cup Brown Sugar
1  Garlic clove
1 tsp dry Mustard

Mix ingredients in a marinade dish and add halibut steaks. Cover both sides and let stand 4 hours turning frequently. Heat grill to medium temp. (A seafood cooking screen helps hold fish together) Grill steaks until well done but not dry, basting with marinade frequently. Serve grilled halibut with rice or veggies.