Preheat the air fryer: Set it to 400°F (200°C) for 3–5 minutes. A hot basket helps the shrimp sear quickly.
Pat the shrimp dry: Use paper towels to remove excess moisture.
Dry shrimp brown better and won’t steam.
Mix the sauce: In a bowl, whisk melted butter, olive oil, garlic, lemon zest, lemon juice, paprika, red pepper flakes (if using), salt, and pepper.
Toss to coat: Add the shrimp to the bowl and toss until evenly coated. Let it sit for 2–3 minutes while the air fryer finishes heating.
Prep the basket: Lightly spray or brush the air fryer basket with oil to prevent sticking.
Arrange the shrimp: Place shrimp in a single layer, leaving a bit of space between each piece. Work in batches if needed.
Air fry: Cook for 5–7 minutes, flipping halfway.
Shrimp are done when they turn opaque and curl into a loose “C.”
Toss with parsley: Transfer hot shrimp to a bowl, sprinkle with parsley, and spoon any remaining buttery juices over the top.
Taste and finish: Add a squeeze of lemon and a pinch of salt if needed. Serve immediately.