1: Preheat oven to 375° or air fryer to 350°.
2: Pat salmon filets with paper towel.
3: Combine pistachio nuts, dark brown sugar, Dijon mustard, lime zest and juice, dill weed, and black pepper in a small bowl.
4: Spoon the mixture on top of the salmon filets.
5: Bake at 375° for 8-10 minutes or in the air fryer at 350° for 6-7 minutes.
6: Check for internal temperature at 140-145° or when the flakes separate.
