This easy avocado tuna sandwich with Mexican flair is perfect for brunch, lunch and dinner too. A high protein, no mayo tuna fish sandwich made in minutes.
If you love avocado toast, this tunacado sandwich is right up your alley. Avocado and tuna are a winning combination. Perfect in this Mediterranean avocado tuna salad recipe.

Creamy avocado meets savoury tuna in a delicious sandwich. Healthy, satisfying and nutritious. A simple tuna avocado sandwich made in minutes.
Are you an avocado lover? I will be the first to admit it took me a long time to give them a try, but once I did I was hooked. The best part is they are super good for you too. From healthy fats and fibre to anti-inflammatory and antioxidants, these little gems are a powerhouse.
There are so many ways to enjoy eating avocados. Guacamole appetizers are a hit at parties. Want to impress your dinner guests? Give grilled avocados a try. Presentation perfect, and they can be served as an appetizer or side dish.
If you are like me, I can just eat avocados with a spoon, a great lunch any day of the week. You can even make healthy chocolate pudding with them too.
Tuna is such a great ingredient for many delicious recipes. Whether it is solid, flaked, packed in oil or water, you can never go wrong with using canned tuna. This simple salad topped with tuna is perfect for lunch or dinner. No cooking needed.
Tuna Avocado Sandwich Ingredients
Super simple ingredients for this uncomplicated sandwich recipe.

- Canned tuna
- Avocado
- Lime juice
- Tex-Mex seasoning
- Salsa
- Lettuce
- Buns
Be sure to check out the suggestions and recipe tips below for additional options.
Easy Avocado Tuna Sandwich Prep
Honestly, this is so easy to make. I love the fact there is no mayo needed for this creamy tuna and avocado sandwich. Full instructions are in the recipe card.

- Drain the tuna and place it in a mixing bowl.
- Add the avocado, spices and lime juice.
- Mix well.

- Divide the tuna salad mixture in half.
- Spread on the bottom portion of the buns.

- Top with salsa.
- Add the lettuce.
- Top with the other half of the bun.

In a matter of minutes you have a delicious homemade sandwich. A quick nutritious meal that is high in protein and contains heart-healthy fats.
Suggestions / Recipe Tips
- Canned tuna can be solid or flaked, packed in water or oil. You can also use flavoured tuna if you don’t want to add additional seasoning.
- Buns or bread of any kind will work. You can also toast the bread if you like.
- Salsa of any type is perfect. Hot, mild, medium and also salsa verde is a great option.
- Lettuce can be replaced with baby kale, pea shoots, arugula or any other greens you like.
- Tex-Mex seasoning can be swapped for taco seasoning or your choice of any combination of spices you like.
- Fresh avocado works best, but in a pinch this sandwich can be made using guacamole in place of avocado. You will have to adjust the amount so the sandwich filling will not be too runny.
- Serve immediately since this sandwich will get soggy quickly.
- This filling would be great in a pita sandwich too.
Looking for more great sandwich recipes. Give these a try:


Mexican Avocado Tuna Fish Sandwich
Ingredients
- 4 ½ ounces canned tuna 1 can, drained
- 5 ounces avocado 1 medium
- 2 tablespoons salsa
- 1 teaspoon lime juice
- ¼ teaspoon Tex-Mex seasoning
- 2 thin sandwich buns
Instructions
- Drain the tuna, and place it in a mixing bowl.
- Cut the avocado, and scoop it into the bowl with the tuna.
- Add the lime juice and Tex-Mex seasoning, and mash to combine.
- Scoop ½ the mixture onto each of the sandwich buns.
- Top each sandwich with some salsa.
- Add the lettuce and the other part of the bun. Done!






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