How to Make It
Combine the first 5 ingredients in a small bowl, and rub evenly over the tuna steaks. Cover tuna steaks, and marinate in refrigerator 15 minutes.
Heat a large grill pan coated with cooking spray over medium-high heat. Add the tuna steaks, and cook for 5 minutes on each side or until steaks reach desired degree of doneness. Serve tuna steaks with lemon wedges.