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–+ servings
A croissant sandwich with cheese, lettuce, and pickled red onions.
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5 from 1 vote

Air Fryer Croissant Sandwiches

Pesto and Havarti cheese add big flavor to flaky crispy croissant sandwiches. Only 3-4 minutes in the air fryer!
Prep Time5 minutes
Cook Time4 minutes
Total Time9 minutes
Course: Main Dish
Cuisine: Canadian
Servings: 2
Calories: 564kcal
Author: Jacqueline Piper

Equipment

Ingredients

  • 2 large croissants
  • 2 tablespoons mayonnaise
  • 2 tablespoons pesto
  • 80 grams sliced Havarti cheese
  • black pepper
  • shredded lettuce to serve
  • pickled onions to serve

Instructions

  • Mix the mayo and pesto together in a small bowl.
  • Cut the croissants in half lengthwise.
  • Spread pesto mayo on each cut side of the croissants.
  • Place the cheese on one side of the croissant.
  • Place the croissants on an air fryer tray or basket. (My air fryer has two trays).
  • Air fry at 350°F for 3-4 minutes. My air fryer has an upper and lower tray so I air fry for two minutes, and then swap them. Then I air fry again for 1-2 minutes, depending on how long the upper croissant needs to toast.
  • Once the croissants are done, carefully move them to a cutting board or plate. They will be very hot.
  • Crack black pepper over the cheese. Add lettuce and pickled onion. Add the top of the croissant to make a sandwich and then serve.

Video

Notes

Preheat the air fryer so the croissant starts crisping and the cheese starts melting right away.
Use thinly sliced or finely grated cheese to ensure it melts in the 3-4 minutes of cooking time.
Toast the croissant open-faced, not closed, so the cheese melts.
Watch carefully, croissants crisp in a matter of minutes in the air fryer.
For best results in a tray-style air fryer, rotate the top and bottom trays after 2 minutes. This will help you achieve even crisping on the croissants.
A tray-style air fryer makes it easier to make two sandwiches at a time. If you're using a basket-style air fryer, you'll need to make sandwiches in batches.
Customize the sandwich with your favorite spread like mayo and Dijon mustard instead of the pesto. Try your favorite fillings like fresh sliced tomatoes or cucumbers. 
Turn these sandwiches into croissant breakfast sandwiches by adding scrambled eggs or a fried egg.

Nutrition

Calories: 564kcal | Carbohydrates: 32g | Protein: 16g | Fat: 41g | Fiber: 2g | Sugar: 8g | Calcium: 293mg | Iron: 2mg