Is avocado a good substitute for mayo in tuna salad?

Absolutely! Avocado adds a rich, creamy texture with the bonus of heart-healthy fats , fiber , and antioxidants —all without the additives or saturated fat often found in mayo.

Can I make avocado tuna salad ahead of time?

Yes—just store it properly. Use an airtight container, add a squeeze of lemon, and press plastic wrap directly onto the surface to limit browning. It’s best consumed within 1–2 days .

What’s the best bread for this sandwich?

Whole grain , sourdough , or sprouted grain breads are great choices. They add texture, flavor, and fiber, making your sandwich more satisfying and better for blood sugar control.

Is this a good sandwich for weight loss or clean eating?

Yes! It’s high in protein , rich in fiber , and contains healthy fats that help keep you full longer. Plus, it’s naturally low in carbs if you skip the bread or opt for a lettuce wrap.

How do you make an avocado tuna salad sandwich?

Making an avocado tuna salad sandwich is easy and quick. Start by mashing one ripe avocado in a mixing bowl. Add a drained can of tuna (about 5–6 oz), a tablespoon of lemon juice, and season with salt and pepper. Mix in extras like red onion, parsley, or Dijon mustard if desired. Spread the mixture onto two slices of whole grain or sourdough bread—add lettuce or tomato for crunch. Optional: Toast it for texture!

What’s the best type of tuna for this recipe?

Solid white albacore tuna in water is the cleanest and leanest option for an avocado tuna salad sandwich . However, if you want a richer flavor, tuna packed in olive oil is also great. Just be sure to drain it well. Some even prefer wild-caught skipjack for its sustainability and milder taste.

How long does an avocado tuna salad sandwich last in the fridge?

The avocado tuna mixture (unassembled) will last up to 2 days in an airtight container if you press plastic wrap directly onto the surface and add extra lemon juice. Assembled sandwiches are best eaten within a few hours to prevent the bread from getting soggy. Store with an ice pack if packing for lunch.

Can I make this recipe low-carb or keto?

Yes! The filling itself is naturally low in carbs and gluten-free. Simply swap the bread for lettuce wraps , low-carb tortillas , or serve it over a bed of leafy greens to turn your avocado tuna salad sandwich into a keto-friendly bowl. You can also add extras like eggs or cheese to increase fat and protein.

What are the health benefits of avocado and tuna together?

Together, avocado and tuna create a powerful combo. Avocado offers heart-healthy fats, fiber, and potassium, while tuna provides lean protein and omega-3s that support brain, joint, and cardiovascular health. The result is an avocado tuna salad sandwich that supports sustained energy, satiety, and clean eating goals.

7 Reasons This Avocado Tuna Salad Sandwich Will Be Your New Favorite Lunch

Name: 7 Reasons This Avocado Tuna Salad Sandwich Will Be Your New Favorite Lunch
Prep time: 10 min
Total time: 10 min
Cuisine: American / California Fusion
Ingredients: 1 (5 to 6 oz) can tuna, drained; 1 ripe avocado, halved, pitted, and scooped; 2 tablespoons finely chopped red onion; 1 tablespoon fresh lemon juice; 1 tablespoon chopped fresh parsley; Salt and freshly ground black pepper, to taste; Optional: 1 teaspoon Dijon mustard or Greek yogurt for extra tang; 2 slices of whole grain or sourdough bread (toasted if desired); Optional: Lettuce, tomato slices, or cucumber for layering

Description

This avocado tuna salad sandwich is creamy, healthy, and mayo-free—perfect for meal prep, weight loss, or a clean, high-protein lunch in under 10 minutes.

Ingredients

Scale

1 (5 to 6 oz) can tuna, drained
1 ripe avocado, halved, pitted, and scooped
2 tablespoons finely chopped red onion
1 tablespoon fresh lemon juice
1 tablespoon chopped fresh parsley
Salt and freshly ground black pepper, to taste
Optional: 1 teaspoon Dijon mustard or Greek yogurt for extra tang
2 slices of whole grain or sourdough bread (toasted if desired)
Optional: Lettuce, tomato slices, or cucumber for layering

Cook Mode Prevent your screen from going dark

Instructions

In a bowl, mash avocado until smooth but slightly chunky
Add lemon juice immediately to prevent browning
Flake the tuna and mix into mashed avocado
Add red onion, parsley, salt, pepper, and optional mustard/yogurt
Spread tuna avocado mix on one slice of bread
Add toppings: lettuce, tomato, or cucumber if using
Top with second bread slice
Toast in a panini press or grill pan for crunch
Or enjoy cold for a lighter, faster meal

Prep Time: 10 minutes
Cook Time: 0 minutes
Category: Lunch
Method: No-cook, mash and mix
Cuisine: American / California Fusion