Combine BBQ sauce, honey, sriracha, salt and pepper in a small jug and whisk till consistency mixed.
Add chicken drumsticks to an large bowl, pour marinade over legs and use a pastry brush to coat. Then use tongs to turn the legs to the other side and repeat brushing to fully marinate the legs.
Option: marinate in the fridge for 30 mins - overnight
Spray Air Fryer basket with cooking oil, use tongs to place chicken drumsticks into the Air Fryer basket, spaced in one flat layer, not touching
Turn the air fryer on to 180°C/350 F for 30 mins (if your Air Fryer needs preheating, you can do this as step 1)
Cooking the drumsticks for 10 mins, pull the basket out, use tongs to turn each drumstick to the other side, brush leftover marinade over this side and cook for a further 10 mins.
Pull the basket out, sprinkle sesame seeds over the chicken drumsticks and push the basket back. Cook for a further 2-3 mins. Use a skewer to test one of the legs, pierce it at the widest part, if the juices run clear, they are cooked. If the juices are pink, cook for a further 2-5mins.
Remove chicken drumsticks from Air Fryer and Serve immediately. Garnish with chopped shallots (optional)