Black and white sesame seeds add texture and nuttiness to marinated tuna steaks. Serve with pungent Wasabi Aioli.
Mix sesame oil, soy sauce, garlic powder and ginger in small bowl. Place tuna in large resealable plastic bag or glass dish. Add marinade; turn to coat well. Refrigerate 30 minutes
For the Wasabi Aioli, mix all ingredients in a medium bowl until well blended. Cover
Mix sesame seeds, black pepper and salt on large plate. Remove tuna from marinade. Discard any remaining marinade. Coat tuna steaks on both sides with sesame seed mixture, pressing firmly so the mixture adheres to the tuna
Heat large nonstick skillet on medium heat. Add tuna; cook 4 minutes on each side or until desired doneness. Slice tuna and serve with Wasabi Aioli