Cook in the oven for 30 minutes, remove and cool completely before proceeding. They will be very pale but cooked through. Refrigerate in an airtight container, using baking paper to layer them in the box.
When you’re ready to serve, place the cooking oil in a small pot and heat to 180°C.
Cook the wings in batches of 6 - 8 so as to not overcrowd the pot.
Cook until lightly golden on all sides and remove from oil using tongs or a slotted spoon onto a paper towel.
Make the sauce by blitzing the preserved lemon and harissa Add salt to taste plus a a little water if it is too dry/thick.
Place in a bowl and toss in the sauce.
Shiri and Amir are co-founders and chefs at The Black Cow in Camden
Instagram: theblackcowcamden