There are days when turning on the stove feels like way too much effort, right? Especially during warmer weather or when I just need lunch now. That’s when these Easy Tuna Salad Lettuce Cups swoop in to save the day! I remember first throwing this together when I needed something fast, fresh, and filling after a busy morning. It was instant love.
Why? Because they require ZERO cooking, take about 10-12 minutes to whip up, and deliver such a satisfying crunch and fresh flavor. They’re light yet substantial, and just incredibly easy. If you need a quick, healthy, and delicious meal solution, this recipe is pure gold.
Why You Need These Lettuce Cups in Your Life
- No Cooking Required: Seriously! Just mix, fill, and eat. Perfect for hot days or when you’re short on time (or energy!).
- Super Speedy: We’re talking 12 minutes max from pantry to plate. It’s faster than waiting for delivery!
- Crunchy, Creamy, Fresh: You get the crispness from the lettuce and celery, creaminess from the tuna salad base, and freshness from the toppings. It’s a texture party!
- Satisfying Yet Light: Packed with protein, they fill you up without weighing you down.
Why These Tuna Cups are a Smart Choice
Beyond being quick and tasty, these lettuce cups are a fantastic fit for a healthy lifestyle, especially if you’re mindful of carbs and blood sugar:
- Incredibly Low-Carb: By swapping bread for crisp lettuce leaves and using simple, whole ingredients, these cups have minimal net carbs. This makes them a perfect fit for low-carb and keto eating plans, helping to keep blood sugar levels nice and steady.
- Protein Power: Tuna is an excellent source of lean protein, which helps keep you feeling full and satisfied long after you’ve finished eating.
- Healthy Fats Included: You get beneficial fats from the avocado topping and the mayonnaise base. Consider using a mayonnaise made with avocado oil or olive oil for an extra healthy fat boost!
- No Added Sugars: Unlike some tuna salad recipes, this one uses unsweetened relish and skips added sweeteners like honey, keeping it naturally low in sugar.
- Sodium Control: You have control over the saltiness! Use tuna packed in water (often lower sodium than oil-packed), check the sodium on your mayo and relish, and season to your own taste. Starting with less salt and adding more if needed is always a good strategy.
- Portion Perfect: Serving the tuna salad in individual lettuce cups makes portion control easy and intuitive.
What You’ll Need to Gather
Here’s the simple lineup:
- Tuna Salad Mixture:
- 3 (5 oz) cans albacore tuna (packed in water), drained well: Albacore has a firmer texture, but any canned tuna you like works. Drain it really well for the best texture!
- ¼ cup plus ½ tablespoon mayonnaise (vegan or regular): Use your favorite brand!
- 3 tablespoons celery, finely chopped: Adds essential crunch and fresh flavor. Chop it small!
- 2 tablespoons unsweetened dill pickle relish: Adds tang and texture without sugar. Check the label to ensure it’s unsweetened!
- 1 teaspoon Dijon mustard: Gives a little zesty kick.
- ½ to ¾ teaspoon sea salt (or to taste): Adjust based on your preference and the saltiness of your tuna/mayo.
- Pinch black pepper: Freshly ground is always nice.
- For Serving:
- Large lettuce leaves: Romaine hearts provide great structure, Butter lettuce is soft and pliable, and Iceberg gives a super crisp cup. Your choice!
- Optional (but Recommended!) Toppings:
- 1 large avocado, diced: Adds creaminess and healthy fats. Make sure it’s ripe!
- 12 grape tomatoes, halved: A burst of freshness and color.
Let’s Make Some Lettuce Cups!
- Prep the Lettuce: Carefully pull off several of the best-looking large leaves from your head of lettuce. Give them a good rinse under cold water and then pat them thoroughly dry with paper towels or use a salad spinner. You want them dry so your wraps aren’t soggy! Set them aside.
- Mix the Tuna Magic: Open and drain the tuna really well (press out excess water!). Put the drained tuna in a medium-sized bowl and use a fork to gently flake it into smaller pieces. Add the mayonnaise, finely chopped celery, unsweetened relish, Dijon mustard, salt (start with ½ tsp!), and pepper. Stir everything together until it’s well combined, but don’t overmix into mush.
- Fill ‘Em Up: Arrange your nice, dry lettuce leaves on plates or a platter like little boats. Spoon a generous portion of the tuna salad mixture right into the center of each lettuce cup.
- Top & Serve: If using, sprinkle the diced avocado and halved grape tomatoes over the tuna salad in each cup right before you plan to eat. Serve immediately and enjoy that crunch!
Quick Tips & Variations
- Add-In Fun: Feel free to add other finely chopped goodies like red onion, bell peppers, pickles, or fresh herbs like dill or parsley to the tuna mixture.
- Lettuce Know-How: If your lettuce leaves are stubborn, sometimes trimming a tiny bit off the rigid bottom stem helps them cup better.
- Make Ahead? The tuna salad mixture itself can be made a few hours ahead and kept chilled in an airtight container. Assemble the lettuce cups just before serving to keep the lettuce crisp.
- Don’t Mash! When mixing the tuna salad, be gentle. You want some texture, not just paste.
Serving Ideas
These tuna lettuce cups are pretty much a perfect light meal or snack all on their own!
- Lunch Perfection: Pack the tuna salad and washed lettuce leaves separately for an easy work or school lunch. Assemble right before eating.
- Light Dinner: Serve 2-3 cups per person, maybe alongside some crunchy veggie sticks (cucumber, carrots, peppers) or a cup of light soup.
- Appetizer Star: They make fantastic, healthy appetizers for gatherings!
- Post-Workout Fuel: A great source of protein after exercising.

Easy Tuna Salad Lettuce Cups
Ingredients
Tuna Salad Mixture:
- 3 5 oz cans albacore tuna (packed in water), drained well
- ¼ cup plus ½ tablespoon mayonnaise vegan or regular
- 3 tablespoons celery finely chopped
- 2 tablespoons unsweetened dill pickle relish
- 1 teaspoon Dijon mustard
- ½ to ¾ teaspoon sea salt or to taste
- Pinch black pepper
For Serving:
- Large lettuce leaves e.g., Romaine hearts, Butter, or Iceberg
Optional Toppings:
- 1 large avocado diced
- 12 grape tomatoes halved
Instructions
- Prepare Lettuce: Carefully separate, wash, and thoroughly pat dry several large lettuce leaves suitable for forming cups. Choose leaves that are crisp and sturdy. Set them aside.
- Mix Tuna Salad: In a medium bowl, flake the thoroughly drained tuna with a fork into bite-sized pieces. Add the mayonnaise, finely chopped celery, unsweetened dill pickle relish, Dijon mustard, sea salt (starting with ½ teaspoon and adding more if needed), and black pepper. Stir well with a spoon or fork until all ingredients are evenly incorporated.
- Assemble Cups: Lay out the prepared lettuce leaves on individual plates or a serving platter. Spoon a portion of the prepared tuna salad mixture neatly into the center of each lettuce cup.
- Garnish and Serve: Just before serving, garnish the filled lettuce cups with the diced avocado and halved grape tomatoes, if using. Serve immediately for best results.
Notes
- Calories: 185 kcal
- Protein: 15.2 g
- Total Fat: 12.2 g
- Saturated Fat: 1.9 g
- Total Carbohydrates: 3.5 g
- Dietary Fiber: 2.1 g
- Total Sugars: 1.0 g
- Net Carbs (est.): 1.4 g
- Cholesterol: 22 mg
- Sodium: 579 mg
Go Enjoy This No-Cook Wonder!
Seriously, for a meal that takes barely any effort but tastes this fresh and satisfying, these Easy Tuna Salad Lettuce Cups are a game-changer. Keep a few cans of tuna on hand, and you’re always minutes away from a delicious, healthy bite. Let me know if you try them!