Prep heat the air fryer. Set the temperature to 400 degrees. When the air fryer is ready add the shishito peppers. Cook for about 8 minutes.
Once removed from the air fryer. Toss with sesame oil and squeeze the lemon over top. Sprinkle the sesame seeds and salt, if desired, on top. Serve right away while still warm. Serve with soy sauce or Mae Ploy sweet chili sauce for dipping. Yum!