Step 1

Add the shredded chicken to a mixing bowl.

Step 2

In a small mixing bowl, add the mayo, pesto, and lemon juice if using. Whisk them together. Sprinkle with a pinch of salt and pepper. Stir to combine.

Step 3

Scrape the pesto mixture over the chicken and gently toss to combine. Don't stir too hard or the chicken will break apart.

Step 4

Preheat the broiler with the oven wrack 6 inches from the top of the oven.

Step 5

Split the ciabatta rolls and place them open face, cut side up, on a large broiler-safe baking pan.

Step 6

Scoop 1/4 of the chicken mixture onto the bottom half of each of the four buns. Place 1 - 2 slices of cheese on the top half of each bun.

Step 7

Broil the sandwiches for 3 - 5 minutes or until the chicken is warmed through and the cheese slices are bubbling.

Step 8

If you prefer to use your air fryer, simply preheat it to 350°F.

Step 9

Scoop 1/4 of the chicken mixture onto the bottom half of each of the four buns. Place 1 - 2 slices of cheese on the top half of each bun.

Step 10

Bake the sandwiches in a single layer in the air fryer for 3 - 5 minutes. You may need to work in batches.

Step 11

Place the tomato slices on top of the chicken and then top with the top half of the bun and serve immediately.