Place the chicken breast in a shallow bowl with buttermilk and let marinate for 20 minutes to tenderize the meat.
In a separate dish, whisk together the almond flour, smoked paprika, sea salt, and black pepper for the breading.
Remove the chicken from the buttermilk, letting any excess drip off, and dredge thoroughly in the almond flour mixture until fully coated.
In a medium bowl, whisk the oat flour, egg white, almond milk, and baking powder until a smooth waffle batter forms.
Pour the batter into a preheated, lightly greased waffle iron and cook until the exterior is golden and crisp.
Lightly spray the breaded chicken with avocado oil and air fry at 400°F for 12 to 15 minutes, turning halfway through, until juicy and cooked through.
Place the golden chicken atop the warm waffle and finish with a drizzle of pure maple syrup.