Step 1

Preheat the air fryer to 360 °F for 5 minutes.

Step 2

On one bread slice put some shredded cheese.

Step 3

Arrange the tomato slices followed by bell pepper and then onion slices.

Step 4

Sprinkle some salt and pepper.

Step 5

Put the remaining cheese over the veggies.

Step 6

Place the second slice of bread on the veggies and apply butter on top.

Step 7

Put the sandwich in the preheated air fryer with the buttered side down.

Step 8

Apply butter on the other side with a butter knife.

Step 9

Air fry for 5 minutes.

Step 10

Carefully remove the grilled cheese sandwich with the help of kitchen tongs.