Avocado Tuna Salad Sandwich
Lunch gets an upgrade with this creamy avocado tuna salad, layered between slices of hearty bread. I often whip this up when I need something quick yet nourishing—plus, it’s always a hit at my table. Give it a try and enjoy a new favorite!
Variations & Substitutions
Swap out Dijon for spicy brown mustard or add a dash of hot sauce. Chopped pickles or capers can bring a tangy twist, while sliced cucumbers add crunch.
Whole grain bread is my favorite, but sourdough or rye work beautifully, too. You can also add sliced tomatoes or swap red onion with green onions for a milder bite.
Tips & Tricks for Perfect Results
Make sure your avocado is perfectly ripe—soft, but not mushy. Drain the tuna thoroughly to avoid a watery salad. If you like your salad extra creamy, add a touch more mayo.
Toasting the bread gives a nice contrast to the creamy filling and helps prevent sogginess. For extra freshness, squeeze a bit more lemon juice right before serving.
Storage & Reheating
Store leftover tuna salad in an airtight container in the fridge for up to two days. To keep it bright green, press a piece of plastic wrap directly onto the surface.
Avoid assembling the sandwiches until you’re ready to eat, as the bread can get soggy. No reheating needed—just stir the salad before using, and you’re good to go!
Avocado Tuna Salad Sandwich
Ingredients
- 1 ripe avocado
- 1 5 oz can tuna in water, drained
- 2 tablespoons mayonnaise
- 1 tablespoon Dijon mustard
- 1 tablespoon lemon juice
- 2 tablespoons chopped red onion
- 2 tablespoons chopped celery
- Salt & black pepper to taste
- 4 slices whole grain bread toasted, if you like
- Lettuce leaves optional, for crunch
Instructions
- In a medium bowl, mash the avocado until mostly smooth.
- Add the tuna, mayonnaise, Dijon mustard, lemon juice, red onion, and celery. Mix until everything is well combined.
- Season with salt and pepper to taste.
- Pile the mixture onto two slices of bread. Top with lettuce, then the remaining bread slices.
- Slice and serve immediately!
