3 lbs cobia fillets
1/3 cup olive oil
1/3 cup lemon juice
1½ teaspoons dry mustard
1 clove garlic, minced
1 teaspoon salt
¼ teaspoon pepper
Cut fillets into serving size pieces, and place in a bowl. Combine olive oil and lemon juice. Add all remaining spices to oil and lemon juice, and mix.
Pour mixture over fish steaks and marinate for 5 minutes
Remove from marinade and barbecue for about 8 minutes over coals (Keep checking, do not overcook!) Turn as necessary, basting several times with marinade. Serve hot off the grill