01 -
Preheat an air fryer to 400 degrees F (200 degrees C).
02 -
Place 1 bread slice in the air fryer basket and cook in the preheated air fryer for 1 minute. Transfer to a plate. Repeat with the remaining bread slice.
03 -
Remove casing from bologna, then use a knife to make 4 slits to prevent curling. Place in the air fryer basket and cook for 3 minutes. Flip bologna over and cook for an additional 3 minutes.
04 -
Spread mayonnaise onto 1 bread slice. Layer with cheese, bologna, tomato, and lettuce. Spread mustard onto the remaining bread slice and top the sandwich.
05 -
Serve with chips if desired.