MAKE THE COMPOUND BUTTER: In a bowl combine the butter, parmesan, parsley, garlic and onion powder. Refrigerate until ready to use
PREPARE THE SALMON: In a bowl combine the cubed salmon, olive oil, parmesan, breadcrumbs, parsley, lemon juice, zest, garlic, salt and pepper to taste. Marinate for 30 minutes.
ASSEMBLE THE SPIEDINI: thread the salmon cubes tightly onto 8 inch metal or wooden skewers. If using wood skewers soak them in water before using.
COOK THE SPIEDINI: Preheat your air fryer to 400 degrees cook the salmon spiedini for 6 -8 minutes. Baste with the compound butter the last 2 minutes Remove from the air fryer and brush again with the butter.