Place almond flour and egg in two separate bowls. Mix in olive oil, Italian herbs, onion powder, salt and pepper into the almond flour mixture. Coat haddock fillets in the, egg then in the almond flour mixture until fully coated. Set aside.
Preheat air fryer to 390 degrees F. Fry the fillets for 10 minutes. Blend aioli ingredients in a food processor and set aside. Layer taco shells with toppings and haddock fillets. Drizzle with lime aioli. Enjoy.