Sieve the baking powder and flour together into a bowl and set aside.
Chop up the chocolate and melt over a low heat whilst continuously stirring.
Add milk and mix well before removing from the heat.
Stir in the butter.
In a separate bowl, beat the egg and sugar together until creamy.
Blend into the chocolate.
Add in the flour, little by little and mix the batter well.
Grease 3 ramekins with butter and dust with refined flour before pouring in the batter.
Preheat air fryer to 350°F.
Air Fry for 5 mins or until the tops are firm.
Serve with ice cream and berries. Enjoy!