I love this tuna egg sandwich because it’s simple but packed with flavor. It’s one of those easy meals that feels like a little treat any time of day. I hope you enjoy making it as much as I do!
Most of the ingredients for this recipe are common in many kitchens, like canned tuna, eggs, and bread. If you need to pick something up at the supermarket, just look for good-quality canned tuna and fresh eggs. The mayonnaise and mustard add a nice creamy and tangy touch, so choose your favorite brands to make it just right for you.
Ingredients for Tuna Egg Sandwich Recipe
Tuna: canned tuna is a great source of protein and adds a mild, savory flavor to the sandwich.
Eggs: hard-boiled eggs bring a creamy texture and extra protein.
Mayonnaise: this adds creaminess and helps bind the tuna and eggs together.
Mustard: a little mustard gives a tangy kick that brightens the flavors.
Bread: toasted bread provides a crunchy base that holds everything nicely.
Salt and pepper: these simple seasonings bring out the best in all the ingredients.
Technique Tip for This Recipe
One of the most helpful little tricks in this Tuna Egg Sandwich Recipe is how you chop the hard-boiled eggs. Getting them into just the right size makes the sandwich taste better and look nicer. Here’s a simple way to do it:
- Start by peeling the hard-boiled eggs carefully so you don’t tear the white.
- Place the egg on a cutting board and use a sharp knife to slice it in half lengthwise.
- Then, cut each half into smaller pieces by slicing across the egg widthwise.
- If you want even smaller pieces, you can gently chop those slices again, but don’t mash them too much—you want little chunks, not a paste.
Why does this help? When the eggs are chopped into small, even pieces, they mix better with the tuna and mayonnaise. This means every bite has a good balance of flavors and textures—soft egg, flaky tuna, and creamy mayo. If the eggs are too big, you might get a mouthful of just egg or just tuna, which isn’t as tasty.
Here’s a little thing I learned the first time I made this sandwich: I tried to chop the eggs with a dull knife, and it squished them all over the place. It made the mixture too mushy and kind of messy. Using a sharp knife made all the difference because it cut cleanly without smashing the eggs. Also, if you don’t want to spend too much time chopping, you can use an egg slicer if you have one—it’s a neat shortcut that gives you nice, even slices in seconds.
So, next time you’re mixing up the tuna and eggs, take a moment to chop those eggs just right. It makes the sandwich taste fresher and look way better!
Suggested Side Dishes
Alternative Ingredients
tuna - Substitute with chickpeas: Mashed chickpeas provide a similar texture and protein content, making them a great plant-based alternative to tuna.
hard-boiled, chopped eggs - Substitute with tofu: Crumbled tofu can mimic the texture of chopped eggs and is a good source of protein for those avoiding eggs.
mayonnaise - Substitute with Greek yogurt: Greek yogurt offers a creamy texture with fewer calories and added probiotics, making it a healthier alternative to mayonnaise.
mustard - Substitute with hummus: Hummus adds a tangy flavor and creamy texture, similar to mustard, while also providing additional nutrients.
toasted bread - Substitute with lettuce wraps: Lettuce wraps offer a low-carb alternative to bread, providing a fresh and crunchy texture.
salt - Substitute with soy sauce: Soy sauce can add a salty and umami flavor, reducing the need for additional salt.
pepper - Substitute with cayenne pepper: Cayenne pepper adds a spicy kick, offering a different flavor profile while still providing heat.
Alternative Recipes Similar to This Sandwich
How to Store or Freeze This Sandwich
Allow the tuna egg mixture to cool completely before storing. This prevents condensation, which can make the bread soggy.
For short-term storage, place the tuna egg sandwiches in an airtight container. Line the container with a paper towel to absorb any excess moisture, keeping your sandwiches fresh and crisp.
If you plan to enjoy the sandwiches within a day or two, store them in the refrigerator. This keeps the mayonnaise and eggs at a safe temperature, preventing spoilage.
For longer storage, consider freezing the tuna egg mixture separately from the bread. This allows you to prepare fresh sandwiches later without compromising texture.
To freeze the tuna egg mixture, transfer it to a freezer-safe container or a resealable plastic bag. Remove as much air as possible to prevent freezer burn.
Label the container with the date to keep track of freshness. The tuna egg mixture can be frozen for up to one month.
When ready to use, thaw the tuna egg mixture in the refrigerator overnight. This gradual thawing helps maintain the texture and flavor.
Toast fresh bread slices before assembling the sandwiches. This ensures a delightful crunch that complements the creamy filling.
If you prefer to freeze the entire sandwich, wrap each one tightly in plastic wrap, followed by a layer of aluminum foil. This double wrapping provides extra protection against freezer burn.
To reheat a frozen sandwich, remove the foil and plastic wrap, then place it in a preheated oven at 350°F (175°C) for about 10 minutes, or until heated through. This method preserves the bread's texture better than microwaving.
For a quick thaw, you can also use a microwave on a low setting, but be cautious as this may alter the bread's texture.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Wrap the tuna egg sandwich in aluminum foil to keep it moist. Place it on a baking sheet and heat for about 10 minutes, or until warmed through. This method ensures the bread remains crispy while the filling is perfectly heated.
Use a skillet on medium heat. Place the sandwich in the skillet and cover it with a lid. Heat for about 3-4 minutes on each side. This technique gives the bread a delightful crunch while gently warming the tuna and egg mixture inside.
For a quick fix, use a microwave. Wrap the sandwich in a damp paper towel to prevent it from drying out. Heat on medium power for about 30-45 seconds. Check if it's heated through; if not, continue in 15-second intervals. This method is fast but may slightly soften the bread.
If you have a toaster oven, preheat it to 350°F (175°C). Place the sandwich directly on the rack or on a baking tray. Heat for about 5-7 minutes. The toaster oven is a great option for maintaining the bread's texture while ensuring the filling is warm.
For a gourmet touch, use a panini press. Place the sandwich in the press and heat for about 3-5 minutes. This method not only warms the tuna egg mixture but also gives the bread beautiful grill marks and a satisfying crunch.
Essential Tools for Making This Recipe
Mixing bowl: A large bowl used to combine the tuna, eggs, mayonnaise, and mustard together.
Fork: Useful for flaking the tuna and mixing the ingredients thoroughly.
Knife: Needed for chopping the hard-boiled eggs and spreading the mixture onto the bread.
Toaster: Used to toast the bread slices to your desired level of crispiness.
Cutting board: Provides a stable surface for chopping the eggs.
Can opener: Essential for opening the can of tuna.
Measuring spoons: Helps in measuring the mayonnaise and mustard accurately.
How to Save Time on This Recipe
Prepare ingredients in advance: Boil and chop the eggs ahead of time and store them in the fridge. This way, you can quickly mix them with tuna and mayonnaise when you're ready.
Use pre-toasted bread: Keep a batch of toasted bread ready in an airtight container. This saves you from toasting each time you make a sandwich.
Batch make the filling: Double or triple the tuna and egg mixture and store it in the fridge. This allows you to assemble sandwiches quickly throughout the week.
Opt for canned tuna with easy-open lids: This eliminates the need for a can opener, saving you a step.

Tuna Egg Sandwich Recipe
Ingredients
Main Ingredients
- 1 can Tuna drained
- 2 units Eggs hard-boiled, chopped
- 2 tablespoon Mayonnaise
- 1 teaspoon Mustard
- 4 slices Bread toasted
- to taste Salt and Pepper
Instructions
- 1. In a bowl, mix together the drained tuna, chopped eggs, mayonnaise, and mustard.
- 2. Season with salt and pepper to taste.
- 3. Toast the bread slices.
- 4. Spread the tuna and egg mixture onto two slices of toasted bread.
- 5. Top with the remaining slices of bread to make sandwiches.
Nutritional Value
Keywords
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