Slice the chicken breast into even strips and place them in a small mixing bowl.
Pour the buttermilk over the chicken strips and let them marinate for 15 minutes to tenderize the meat.
In a shallow dish, whisk together the almond flour, smoked paprika, garlic powder, onion powder, sea salt, and black pepper.
Dredge each marinated chicken strip in the almond flour mixture, pressing firmly with your fingers to ensure an even and thick coating.
Lightly coat the air fryer basket with the avocado oil and arrange the chicken in a single layer without crowding the pieces.
Air fry at 400°F for 10 to 12 minutes, flipping the strips halfway through, until the coating is golden brown and the chicken is cooked through.
Steam the broccoli florets for 5 minutes until they are tender-crisp and serve immediately alongside the hot, crispy chicken strips.