Super Grouper Sandwich with Homemade Zesty Tarter Sauce

Ingredients for Sandwich:
· 4 grouper fillets
· Olive oil
· Salt and pepper, to taste
· 2 medium tomatoes, cut into 8 slices
· 4 leaves romaine lettuce
· 4 sub rolls

Ingredients for Tartar Sauce:
· ½ cup mayonnaise
· ¼ cup horseradish sauce
· ¼ teaspoon garlic powder
· 3 tablespoons pickle relish
· ½ teaspoon pepper

Directions for Sandwich:
1. Preheat grill or grill pan to medium heat. Brush fillets with olive oil and sprinkle with salt and pepper.
2. Grill fillets turning once, until fish is cooked through, about 6 minutes depending on the thickness of the fish.
3. Brush the rolls with olive oil and lay the bread on the grill, cut side down, until just toasted.
4. Layer the grouper, tomatoes and lettuce on the rolls and spread with Zesty Tartar Sauce.

Directions for Zesty Tartar Sauce:
Mix all ingredients together and chill at least an hour. Sauce can be stored in the refrigerator for up to two weeks.