Subway Tuna Salad Sandwich Recipe (Copycat)

Homemade Copycat Subway Tuna Salad Sandwich

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Try our Subway Tuna Salad Sandwich Copycat Recipe. Recreate Subway’s irresistible tuna salad sandwich at home with everyday ingredients and a few simple steps.

This recipe is both more economical and healthy than the store-bought version while being just as delicious. 

One of the best aspects of eating at Subway is the ability to customize your meal, so we have provided suggested variations and extra fillings to spice up your homemade sub!

Learn how to make a Subway Tuna Salad sandwich by following these steps:


  • 1 baguette roll, freshly baked
  • 1 cup tuna, canned and drained
  • ¼ cup mayonnaise
  • 1 tsp lemon juice
  • salt, to taste
  • black pepper, to taste


  • ¼ cup red onion, finely chopped
  • 1 boiled egg, thinly sliced
  • ½ cup lettuce, shredded
  • 1 tomato, thinly sliced
  • ¼ cup shredded cheese
  • ¼ cup cucumber, thinly sliced


  1. Open the canned tuna and strain off the water or oil. 
  2. Then into a mixing bowl add the tuna, mayonnaise, and lemon juice. Stir well to combine and taste for seasoning, adjust with salt and black pepper.
  3. Mix the red onion through the tuna mix then set aside.
  4. Slice the baguette roll in half and begin to fill, first with a generous spreading of the tuna salad mixture.
  5. Next top the tuna salad sandwich with sliced boiled egg, shredded lettuce, tomato, cucumber, and shredded cheese, mix up the fillings and toppings to create your ultimate tuna sub.
  6. Close the sandwich and press it together to make the sandwich manageable to eat.
  7. Enjoy right away or store wrapped in the refrigerator for lunch on the go!


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