Place the crisper plate into the COSORI Air Fryer basket.
Season the flesh side of the salmon fillets evenly with salt and pepper.
Stir the olive oil, melted butter, dill, and garlic together in a small bowl and brush the mixture onto the flesh side of the salmon, then lay the lemon slices over the top.
Select the Seafood function, then press Start/Pause to preheat.
Place the salmon skin-side down onto the preheated crisper plate.
Remove the salmon when done and let cool slightly, then serve.
