These tuna lettuce wraps are a delightful and healthy option for a quick lunch or light dinner. Combining the fresh crunch of romaine lettuce with a flavorful tuna mixture, this recipe is both satisfying and nutritious. Perfect for those looking for a low-carb meal that doesn't compromise on taste.
When preparing this recipe, you might need to pick up a few items from the supermarket. Dijon mustard and freshly squeezed lemon juice might not be staples in every household, so be sure to grab these if you don't already have them. Additionally, ensure you have a fresh head of romaine lettuce for the wraps.

Ingredients for Tuna Lettuce Wraps Recipe
Tuna: Provides the main protein and flavor base for the wraps.
Mayonnaise: Adds creaminess and binds the tuna mixture together.
Dijon mustard: Offers a tangy and slightly spicy flavor to the mix.
Freshly squeezed lemon juice: Adds a fresh, zesty brightness to the tuna mixture.
Celery: Provides a crunchy texture and fresh taste.
Red onion: Adds a sharp, slightly sweet flavor and a bit of crunch.
Romaine lettuce: Acts as the wrap, providing a crisp and refreshing base.
Salt and pepper: Enhances the overall flavor of the tuna mixture.
Technique Tip for This Recipe
When preparing the celery and red onion, make sure to chop them finely to ensure an even distribution of flavors throughout the tuna mixture. This will also help in achieving a smoother texture, making the lettuce wraps easier to eat. Additionally, for an extra burst of freshness, consider adding a few finely chopped herbs like parsley or dill to the mixture.
Suggested Side Dishes
Alternative Ingredients
tuna - Substitute with canned salmon: Canned salmon provides a similar texture and flavor profile, making it a great alternative to tuna.
mayonnaise - Substitute with Greek yogurt: Greek yogurt offers a creamy consistency with fewer calories and added protein.
dijon mustard - Substitute with whole grain mustard: Whole grain mustard has a similar tangy flavor and texture, making it a suitable replacement.
lemon juice - Substitute with lime juice: Lime juice provides a similar acidity and citrus flavor, making it a good alternative.
celery - Substitute with cucumber: Cucumber offers a similar crunch and refreshing taste, making it a good substitute for celery.
red onion - Substitute with green onion: Green onion provides a milder onion flavor and can be used as a direct replacement.
romaine lettuce - Substitute with butter lettuce: Butter lettuce has a similar texture and can be used to make wraps just like romaine lettuce.
salt - Substitute with soy sauce: Soy sauce adds a salty flavor along with umami, making it a flavorful alternative to salt.
pepper - Substitute with cayenne pepper: Cayenne pepper adds a bit of heat and can be used in place of black pepper for a spicier kick.
Other Alternative Recipes
How to Store or Freeze Your Wraps
- To keep your tuna lettuce wraps fresh, store the tuna mixture separately from the romaine lettuce leaves. This prevents the lettuce from becoming soggy.
- Place the tuna mixture in an airtight container. Ensure it is tightly sealed to maintain freshness and prevent any odors from seeping into other foods in your refrigerator.
- Store the romaine lettuce leaves in a separate container or a resealable plastic bag. Add a paper towel inside to absorb any excess moisture, keeping the leaves crisp.
- Refrigerate both the tuna mixture and romaine lettuce leaves. The tuna mixture can be stored for up to 3 days, while the romaine lettuce leaves should be used within 2 days for optimal freshness.
- If you wish to freeze the tuna mixture, place it in a freezer-safe container or a heavy-duty freezer bag. Label it with the date to keep track of its freshness.
- When ready to use, thaw the tuna mixture in the refrigerator overnight. Avoid thawing at room temperature to prevent any risk of bacterial growth.
- Once thawed, give the tuna mixture a good stir to reincorporate any separated ingredients. Check the taste and adjust the seasoning if necessary.
- Assemble the tuna lettuce wraps just before serving to ensure the romaine lettuce remains crisp and fresh.
How to Reheat Leftovers
- Gently reheat the tuna mixture in a skillet over low heat, stirring occasionally to ensure even warming. Be careful not to overheat, as this can dry out the tuna.
- If you prefer using a microwave, place the tuna mixture in a microwave-safe dish, cover it with a damp paper towel, and heat on medium power in 30-second intervals, stirring in between until warmed through.
- To maintain the crispness of the romaine lettuce leaves, reheat only the tuna mixture and spoon it into fresh lettuce leaves just before serving.
- For a slightly different twist, you can reheat the tuna mixture and serve it over a bed of mixed greens or in a whole grain wrap for a heartier meal.
- If you have an air fryer, you can reheat the tuna mixture at 300°F for about 3-5 minutes, ensuring it is evenly heated without becoming too dry.
Best Tools for This Recipe
Mixing bowl: A large bowl used to combine all the ingredients for the tuna mixture.
Can opener: Essential for opening the cans of tuna.
Measuring cups: Used to measure out the mayonnaise and chopped celery accurately.
Measuring spoons: Used to measure the dijon mustard and lemon juice precisely.
Knife: Necessary for finely chopping the celery and red onion.
Cutting board: Provides a safe surface for chopping the vegetables.
Spoon: Used for mixing the ingredients together and for spooning the tuna mixture into the lettuce leaves.
Serving platter: A plate or tray to arrange and serve the tuna lettuce wraps.
Salad spinner: Useful for drying the romaine lettuce leaves after washing them.
How to Save Time on This Recipe
Prepare ingredients in advance: Chop the celery and red onion ahead of time and store them in the fridge.
Use pre-washed lettuce: Buy pre-washed romaine lettuce to save time on cleaning and separating the leaves.
Opt for canned tuna with easy-open lids: Choose canned tuna with pull-tab lids to avoid using a can opener.
Mix in a large bowl: Use a large mixing bowl to combine all ingredients at once, reducing the need for multiple dishes.
Batch preparation: Make a larger batch of the tuna mixture and store it in the fridge for quick assembly later.

Tuna Lettuce Wraps
Ingredients
Main Ingredients
- 2 cans Tuna drained
- ¼ cup Mayonnaise
- 1 tablespoon Dijon Mustard
- 1 tablespoon Lemon Juice freshly squeezed
- 1 cup Celery chopped
- ¼ cup Red Onion finely chopped
- 1 head Romaine Lettuce leaves separated
- to taste Salt and Pepper
Instructions
- 1. In a mixing bowl, combine the drained tuna, mayonnaise, Dijon mustard, lemon juice, chopped celery, and finely chopped red onion. Mix well.
- 2. Season the mixture with salt and pepper to taste.
- 3. Spoon the tuna mixture into the separated romaine lettuce leaves.
- 4. Serve immediately and enjoy!
Nutritional Value
Keywords
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