Fuss-free fudgy brownies that you can bake in your air fryer.
Prepare 4 ramekins and coat it with butter.
Combine chocolate and butter in a saucepan. Melt over medium-low heat. Stir constantly until fully melted. Remove from pan.
Whisk both sugars into the chocolate mixture. Wait until the mixture is slightly cold and add eggs, one at a time while whisking constantly until evenly combined.
Mix in vanilla, followed by salt and flour and stir until they're evenly incorporated.
Stir in the chopped walnuts and divide into 4 ramekins.
Bake the brownies in a preheated air fryer at 160 deg C for 30 minutes.