Preheat your air fryer to 400°F.
Slice the chicken breast into even strips and place them in a small bowl with the buttermilk to soak for 10 minutes.
In a separate shallow dish, whisk together the almond flour, arrowroot powder, smoked paprika, garlic powder, sea salt, and black pepper.
Remove each chicken strip from the buttermilk, letting the excess drip off, and dredge thoroughly in the flour mixture, pressing firmly to ensure an even coating.
Lightly coat the breaded chicken strips with the avocado oil and place them in the air fryer basket in a single layer.
Air-fry for 12-15 minutes, flipping halfway through, until the coating is golden-brown and the chicken is cooked through.
While the chicken finishes, toast the whole-grain waffle until it is warm and slightly crisp.
Place the crispy chicken strips on top of the waffle and finish with a light drizzle of maple syrup.