Şahnur Ilıcalı
17 July 2026 Last updated: 10 September 2026

This sandwich is described as heart-healthy and combines tuna with olive oil and mashed avocado between slices of whole-wheat bread. The order of the layers helps the bread stay crisp instead of getting soggy.

Step by Step

How to make it?

1

Prepare the avocado mash

8 min

Mash the avocado with a fork and mix it with the lemon juice, salt, and black pepper.

2

Prepare the tuna

7 min

Drain the tuna and toss it with the olive oil and finely chopped red onion.

3

Layer the ingredients

12 min

Spread the avocado mash on the whole-wheat bread slices first. Layer the tuna mixture, lettuce, and tomato slices on top.

4

Cut and serve

3 min

Cut the sandwiches in half and serve.

Reminder

Spread the avocado mash on the bread first and add the tuna mixture on top; reversing the order lets moisture soak into the bread and make the sandwich soggy. Allergens: fish and wheat (gluten).

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