Grilled Rosemary Tuna Steaks

1 tsp fresh rosemary
1 tsp grated lemon rind
1 clove garlic, minced
1 Tbsp fresh lemon juice
1/4 tsp pepper
olive oil for coating bowl
tuna steaks
lemon wedges for garnish
fresh rosemary sprigs for garnish

1. Using a round plate lightly coated with olive oil, combine minced rosemary, lemon rind and garlic; press evenly on to one side of tuna.
2. Place on grill over medium-high heat.
3. Combine lemon juice and pepper, and brush over steaks.
4. Cook for approximately 2 - 3 minutes per side or until done, basting frequently with the lemon juice mixture.