Coat the tuna steaks with 1/4 cup blackening seasoning mix. Now add tuna to pan and cook for 1-2 minutes per side. Refrigerate for 30 minutes before service.
Slice the tuna against the grain for plating.
Toss micro greens with 2oz sesame vinaigrette. Place greens in center of plate and then fan the tuna slices around it. Now fan out bell pepper slices on plate. Place pickled ginger in center of greens. Then sprinkle plate with black sesame seeds.