I did these in the air fryer but they could be done in the oven
Preheat the air fryer to 170c
Core the apples and cut in half
Mix the butter, cinnamon, nutmeg and walnuts
Place your apples on the baking tray and stuff the mix in the hole where you removed the core
Pour water in the pan
Cook at 170c for 20 minutes
Servings 4