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Cheuna Tuna Melt Sandwich

Recipe by Meg on InstagramAdded 11 November 2026.

10 minutes to prep, 5 to cook. A hearty tuna melt on crunchy sourdough, packed with creamy Kewpie mayo, tangy Greek yoghurt, and melty red leicester cheese. The mix of pickled jalapeños, red onion, and fresh parsley adds a bright, spicy kick, while the salty crisps and pickle give a satisfying crunch. Perfect for a quick, indulgent lunch.

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Method

  1. Prepare the tuna mayo mix: combine roughly equal parts Kewpie mayo and full‑fat Greek yoghurt, stir in a small amount of Dijon mustard, chopped pickled jalapeños, chopped red onion, and chopped fresh parsley; season with salt and pepper and adjust to taste.

  2. Slice the sourdough bread and spread the tuna mayo mixture generously on one side of each slice.

  3. Layer red leicester cheese over the tuna mixture, adding as much cheese as desired.

  4. Cook the assembled sandwich in an air fryer at 350°F (350°F) until the bread is golden and the cheese is melted, about 3–5 minutes, or alternatively toast it in a pan over medium heat with a thin spread of mayo on the outer sides of the bread for a crispy crust.

  5. Finish the sandwich by serving it with a handful of salt & vinegar crisps on the side and a pickle.

  6. Serve immediately and enjoy.

Tips while you cook

Mix mayo and yoghurt first
Combine Kewpie mayo and Greek yoghurt in roughly equal parts before adding the other mix‑ins.
Spread mixture on one side of bread
After slicing the sourdough, spread the tuna mayo mixture generously on one side of each slice before adding cheese.
Watch air‑fryer time
Cook the assembled sandwich in the air fryer for 3–5 minutes until the bread is golden and the cheese is melted.
Add crisps and pickle on the side
Serve the sandwich with a handful of salt & vinegar crisps and a pickle for extra crunch.

Notes from ReelsMeals, based on this recipe's ingredients, times and method. They are not the creator's instructions.

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Meg made this.

The recipe comes from Meg’s Instagram reel. ReelsMeals wrote it down from the caption and the voiceover. Check the original if something looks off, and for anything about allergens.

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