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Sandwich on a plate with avocado in the background and another sandwich.
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5 from 2 votes

easy avocado tuna sandwich recipe (only 6 ingredients!)

Need a quick, delicious, and healthy lunch? Try this Avocado Tuna Sandwich! This sandwich is packed with protein, laced with crunchy cucumbers and tangy red onion, and has the perfect creamy texture thanks to an avocado!
Prep Time5 minutes
Total Time10 minutes
Servings: 4
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Ingredients

  • 8 slices sourdough (toasted)
  • 1 avocado (ripe)
  • 3 cans tuna (packed in water)
  • cup mayonnaise
  • 1 mini cucumber (or ⅓ of a standard cucumber)
  • ¼ red onion
  • ¼ teaspoon salt and pepper (of each)

Before you begin!

If you make this recipe, please take a minute to leave a review. I love to hear how it went!

Instructions

  • Dice the onion and cucumber very small (¼"x¼"). Drain the tuna cans. Toast the sourdough bread. Add the avocado flesh to a large bowl and mash.
  • Add all the remaining ingredients (not the bread) to the bowl with the avocado and mix until well combined.
  • Divide evenly among the slices of bread to make and serve 4 sandwiches.

Video

Notes

Nutritional Information is an estimate, for informational purposes only
Substitution options and recipe tips can be found in the post above.

Nutritional information is an estimate and for informational purposes only.

Additional notes and substitution information can be found in the post above.

Nutrition

Calories: 684kcal | Carbohydrates: 74g | Protein: 40g | Fat: 26g | Saturated Fat: 4g | Polyunsaturated Fat: 11g | Monounsaturated Fat: 9g | Trans Fat: 0.04g | Cholesterol: 54mg | Sodium: 1319mg | Potassium: 742mg | Fiber: 7g | Sugar: 8g | Vitamin A: 237IU | Vitamin C: 8mg | Calcium: 111mg | Iron: 8mg
Tried this recipe?Leave a review below or tag #avocadofoodie!