Quick Single-Serve Tuna Sandwich

Dive into the simplicity and flavor of our Quick Single-Serve Tuna Sandwich. Perfect for a swift lunch or dinner, this recipe stands out with its use of common, easily accessible ingredients and its hassle-free preparation.

A sandwich with 2 slices of bread, canned tuna, beans and tomatoes on a wooden table.

Tailored perfectly for a single serving, this recipe is your ideal companion for a swift and satisfying lunch or dinner. Its charm lies in its simplicity, using common ingredients that are likely already in your pantry or fridge.

Whether you’re rushing between meetings or winding down after a long day, this recipe promises a delicious meal without the hassle.

Quick to prepare and delightful to taste, you’ll find yourself coming back to this recipe time and again for its ease and flavor.

Get ready to enjoy a sandwich that fits seamlessly into your busy lifestyle, yet never compromises on taste.

🌟 Expert Tips

  • Quality of Tuna: Select high-quality canned tuna. Opt for tuna in water for a lighter sandwich or in olive oil for a richer flavor. Check for ‘dolphin-safe’ labels and sustainable fishing practices.
  • Bread Selection: Choose fresh, sturdy bread that can hold the ingredients without getting soggy. Whole grain or sourdough breads not only add flavor but also nutritional value.
  • Drain Tuna and Beans Well: Ensure the tuna and beans are well-drained before adding them to your sandwich. Excess moisture can make your sandwich soggy.
  • Balancing Flavors: Be mindful of the mayo or yogurt’s quantity. Too much can overpower the tuna, while too little may leave your sandwich dry. Aim for a balance that complements the tuna’s flavor.
  • Toasting the Bread: Lightly toasting the bread adds a delightful crunch and prevents it from becoming too soft once the sandwich is assembled.

🥘 Ingredients

2 bread slices near canned tuna, canned beans, mayo, two cherry tomatoes and chopped onion.
  • Canned tuna is the star of your sandwich, offering a rich source of protein and a hearty texture. If you’re not a fan of tuna or just want to switch things up, try canned salmon or chicken for a similar texture and protein content. For a vegetarian option, chickpeas mashed with a fork can mimic the consistency of flaked tuna and still pack a protein punch.
  • Bread is the foundation of your sandwich, and it adds structure and a satisfying crunch when toasted. If you’re looking for a low-carb option, large lettuce leaves can be a fresh and crunchy alternative. For those avoiding gluten, gluten-free bread varieties are readily available and offer a similar experience without wheat.
  • Cherry tomatoes add a burst of juiciness and a touch of sweetness to your sandwich. If they’re out of season or you’re just not a tomato fan, thinly sliced cucumber or bell pepper can provide a similar refreshing crunch and moisture.
  • Canned Beans add fiber and a creamy texture to your sandwich, complementing the tuna’s protein. If beans aren’t your thing or you’re looking for a change, cooked lentils or even a small amount of mashed avocado can provide a similar creaminess and nutritional boost.
  • Mayo brings everything together with its creamy texture and rich flavor. For a healthier alternative, Greek yogurt or hummus can be used. Both options add creaminess with a different flavor profile and are lower in fat.
  • Onion gives a sharp, aromatic kick to your sandwich, enhancing the overall flavor. If onions are too strong for your taste, try thinly sliced radishes or green onions for a milder but still flavorful crunch.

👩‍🍳 Directions

First, let’s start by toasting the bread. You can use a toaster if you have one, or you can do it in a skillet like I do.

For a sandwich with a distinct flavor, I recommend choosing good quality bread. I’ve opted for yeast-free whole-grain bread, which not only tastes better but is also nutritionally balanced.

Two sliced of bread with seeds roasting in a frying pan on the stove.

While the bread is toasting, let’s prepare the filling for the sandwich.

Take a bowl and add well-drained canned tuna. You can use either tuna in oil or in its own juice. Then, add beans, finely chopped onion, and mayonnaise. Mix everything, mashing the beans as much as you can to achieve a more homogeneous mixture.

Step-by-step mixing the stuffing mixture for a tuna sandwhich.

Slice the tomatoes into circles, and now we’re ready to assemble the sandwich.

Take a slice of bread and spread all of the tuna and bean mixture on it. Then, layer on the tomato slices.

6 slices of cherry tomatoes arranges over tuna spread on a bread slice.

Cover it with the second slice of bread, and there you have it – a delicious and satisfying sandwich that’s perfect for a snack or as a lunch when paired with a salad.

A sandwich with 2 slices of bread, canned tuna, beans and tomatoes on a wooden table.

🍴 How to Double the Recipe:

Doubling this Tuna Sandwich is a great way to serve two or have an extra portion for later. Simply double the ingredients besides the seasonings. Adjust the seasonings like salt and pepper according to taste. If saving a sandwich for later, keep wet ingredients like tomatoes separate from the bread to maintain freshness.

🍽️ Servings

With a Side Salad

  • Components: Mix greens, arugula, or spinach with a dressing of olive oil and lemon juice.
  • Presentation: Serve alongside your sandwich for a fresh, tangy contrast.
  • Occasion: Perfect for a light, nutritious lunch.

Soup Pairing

  • Components: Pair with a classic tomato soup or a vegetable/lentil soup.
  • Presentation: Serve in a small bowl next to your sandwich.
  • Occasion: Ideal for a cozy, comforting meal on cooler days.

Baked Sweet Potato Fries

  • Components: Serve with thin slices of sweet potato, baked until crispy.
  • Presentation: Arrange the fries next to your sandwich for a colorful addition.
  • Occasion: Great for a casual dinner or a weekend lunch.

Pickled Vegetables

  • Components: Include pickled cucumbers, carrots, or beets.
  • Presentation: Offer a small bowl or side plate of pickles alongside your sandwich.
  • Occasion: Adds a tangy twist for a more dynamic lunch experience.

🍽️ Variations

Mediterranean Tuna Sandwich

  • Swap mayo for a tablespoon of pesto or tapenade.
  • Add sliced olives, sun-dried tomatoes, and a sprinkle of feta cheese.
  • Use ciabatta or focaccia bread for an authentic touch.

Spicy Tuna Melt

  • Add jalapeños and a dash of hot sauce to the tuna mix.
  • Include a slice of pepper jack cheese.
  • Grill the sandwich for a crispy exterior and melted cheese.

Avocado Tuna Sandwich

  • Mix in half a mashed avocado with the tuna instead of mayo.
  • Add a squeeze of lime for extra zing.
  • Top with alfalfa sprouts for a crunchy texture.

Asian-Style Tuna Sandwich

  • Mix the tuna with a bit of soy sauce, sesame oil, and a hint of honey.
  • Add thinly sliced cucumber and carrot for crunch.
  • Use whole-grain wraps instead of bread for a lighter version.

Sweet and Crunchy Tuna Sandwich

  • Add chopped apples or grapes and a handful of nuts like walnuts or almonds to the tuna mixture.
  • This adds a sweet crunch and pairs well with whole-wheat bread.

Tuna and Egg Sandwich

  • Add a hard-boiled egg, chopped, to the tuna mix for extra protein.
  • Include a thin layer of mustard for added flavor.
  • Rye or pumpernickel bread complements this combination well.

❄️ Storage

  • Storing the Tuna Mixture:
    • If you have leftover tuna mixture, store it in an airtight container.
    • Place it in the refrigerator.
    • It’s best consumed within 2-3 days for optimal freshness and safety.
  • Prepping Ingredients in Advance:
    • You can prep ingredients like sliced onions, washed and dried lettuce, and tomatoes ahead of time.
    • Store these in separate containers in the fridge.
    • They typically stay fresh for 2-4 days.
  • Bread Storage:
    • Keep unused bread in its original packaging, sealed to prevent drying out.
    • For longer storage, you can freeze bread for up to 3 months.
  • Assembled Sandwich:
    • If you’ve already assembled the sandwich, it’s best eaten within a few hours.
    • For short-term storage (a few hours), wrap it tightly in aluminum foil or plastic wrap and refrigerate.
    • Avoid storing a fully assembled sandwich overnight as it may become soggy.
  • Avoiding Freezing:
    • It’s not recommended to freeze the assembled tuna sandwich, as it will significantly affect the texture and quality, particularly of the bread and fresh vegetables.

🤔 FAQs

Can I Use Fresh Tuna Instead of Canned?

Yes, you can use fresh tuna for a different texture and flavor. Grill or sear the tuna until it reaches an internal temperature of 145°F (around 63°C). Then, flake it with a fork and use it in place of canned tuna.

What Are the Best Bread Options for This Sandwich?

Opt for sturdy bread like whole grain, sourdough, or a hearty multigrain. These types will hold up well against the moisture from the tuna and vegetables. Avoid softer breads like white or brioche, as they can become soggy.

How Do I Keep My Sandwich From Getting Soggy?

To prevent sogginess, thoroughly drain the tuna and beans. Toasting the bread lightly can also help. Additionally, placing lettuce or spinach at the bottom layer acts as a barrier between the bread and the moist ingredients.

Can I Prepare This Sandwich in Advance?

You can prepare parts of this sandwich in advance, like slicing the vegetables and mixing the tuna. However, it’s best to assemble the sandwich close to when you plan to eat it to maintain freshness and prevent sogginess.

📔 Recipe Card:

A sandwich with 2 slices of bread, canned tuna, beans and tomatoes on a wooden table.

Quick Single-Serve Tuna Sandwich

Delicious and nutritious single-serve tuna sandwich recipe with quality ingredients. Perfect for a quick, satisfying meal.
5 from 1 vote
Prep Time 3 mins
Cook Time 2 mins
Total Time 5 mins
Course Main Course
Cuisine American
Servings 1
Calories 290 kcal



  • 2 tablespoons Canned Tuna
  • 1 tablespoons Mayonnaise
  • 1 tablespoons Canned Beans
  • 1 teaspoons Onion
  • 2 slices Bread
  • 3 pieces Cherry tomato


  • Toast your choice of quality bread in a toaster or skillet.
    2 slices Bread
  • In a bowl, mix canned tuna, beans, chopped onion, and mayonnaise for the filling.
    2 tablespoons Canned Tuna, 1 tablespoons Mayonnaise, 1 tablespoons Canned Beans, 1 teaspoons Onion
  • Slice tomatoes into circles.
    3 pieces Cherry tomato
  • Assemble your sandwich by spreading the tuna and bean mixture on a slice of bread, then layer on the tomato slices, and top it with another slice of bread. Enjoy!


  • Adjusting Creaminess: If you prefer a creamier texture, feel free to add a little more mayo or yogurt. Conversely, for a lighter version, reduce the amount and add a splash of lemon juice.
  • Spice it Up: For a spicy kick, add a few dashes of hot sauce or a sprinkle of chili flakes to the tuna mix.
  • Cheese Addition: If you enjoy cheese, add a slice of cheddar or Swiss for extra flavor. This works especially well if you’re toasting or grilling the sandwich.
  • Herb Infusion: Fresh herbs like basil, cilantro, or dill can significantly enhance the flavor. Chop them finely and mix them into the tuna.
  • Toasting Tips: If you’re toasting your bread, brush it lightly with olive oil for a golden, crispy crust.
  • Onion Alternatives: If raw onions are too strong, consider using caramelized onions for a sweeter, milder flavor.


Calories: 290kcalCarbohydrates: 29gProtein: 13gFat: 13gSaturated Fat: 2gTrans Fat: 1gCholesterol: 17mgSodium: 460mgPotassium: 185mgFiber: 3gSugar: 4gVitamin A: 42IUVitamin C: 1mgCalcium: 82mgIron: 3mg
Keyword Bread, Canned Beans, Tuna
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