If you’re searching for a quick, satisfying, and ultra-low-carb meal, these Tuna Mayo Lettuce Wraps are a must-try. Packed with protein-rich tuna, creamy mayonnaise, and crisp, refreshing lettuce, this recipe delivers all the classic flavours of a tuna sandwich—without the carbs.
Perfect for busy weekdays or a light dinner, these wraps are ready in under 15 minutes and require no cooking. The combination of crunchy lettuce and savoury tuna salad makes every bite deliciously satisfying, while keeping you on track with your keto goals.
Simply mix the tuna with mayo, celery, and a touch of lemon, then spoon into sturdy lettuce leaves. Roll them up, and you have a portable, mess-free meal that’s ideal for lunchboxes, picnics, or a quick snack.
Whether you’re new to keto or a seasoned pro, you’ll love how easy and customisable these wraps are. Add a sprinkle of fresh herbs or swap in your favourite crunchy veg for extra flavour and texture.
At a glance
- Time: 12 minutes
- Difficulty: Easy
- Servings: 2
- Cost: Inexpensive
Macros (per serving)
- Protein: 19 g
- Fat: 18 g
- Carbs: 2 g
- Energy: 245 kcal
Ingredients
- 160g Tuna (in spring water, drained) (1 standard tin)
- 3 tbsp Mayonnaise (full-fat, sugar-free)
- 1 small stalk Celery (finely diced)
- 1 tsp Lemon juice (freshly squeezed)
- 1/2 tsp Dijon mustard (optional, for extra tang)
- 1/4 tsp Salt (to taste)
- 1/4 tsp Black pepper (freshly ground)
- 6 large Little Gem or Romaine lettuce leaves (washed and dried)
Equipment Needed
- Mixing bowl
- Fork
- Chopping board
- Knife
- Spoon
Steps
- Drain the tuna thoroughly and add to a mixing bowl. Flake with a fork until fine.
- Add mayonnaise, diced celery, lemon juice, Dijon mustard (if using), salt, and black pepper.
- Mix well until the tuna is evenly coated and the mixture is creamy.
- Taste and adjust seasoning if needed.
- Lay out the lettuce leaves on a board. Pat dry with kitchen paper if damp.
- Spoon the tuna mayo mixture evenly into the centre of each lettuce leaf.
- Fold or roll the leaves around the filling to form wraps.
- Serve immediately for maximum crunch.
Allergens & Swaps
Allergens:
Recipe contains: eggs, fish, mustard
Potential swaps:
- Mayonnaise → Egg-free vegan mayo — For egg allergy
- Dijon mustard → Omit or use English mustard — If allergic to mustard
- Tuna → Cooked shredded chicken — For fish allergy
Serving Ideas
- With sliced avocado – adds healthy fats and creaminess.
- Alongside a boiled egg – boosts protein for a more filling meal.
- With a handful of olives – for a Mediterranean twist.
Additional Info
Chefs Tips
- Chill the tuna mixture for 10 minutes for extra freshness.
- Dry lettuce leaves thoroughly to prevent sogginess.
- Add a pinch of smoked paprika or chopped fresh herbs for extra flavour.
Variations
- Swap tuna for cooked shredded chicken or salmon.
- Add a dash of hot sauce for a spicy kick.
- Mix in chopped pickles or capers for tangy flavour.
Troubleshooting
- If the lettuce tears, double up the leaves for extra strength.
- If the filling is too runny, add more tuna or a little diced cucumber to absorb moisture.
Storage & Reheating
Store the tuna mayo filling in an airtight container in the fridge. Assemble wraps just before serving.
- Fridge: up to 2 days
- Freezer: up to 0 months
- Reheat: Not suitable for reheating; serve chilled.
Ingredient Spotlight
Tuna: A lean, protein-rich fish that’s naturally low in carbs and high in omega-3 fatty acids.
Mayonnaise: Choose a sugar-free, full-fat mayo for the best keto macros and creamy texture.
Lettuce: Sturdy leaves like Romaine or Little Gem make perfect low-carb wraps.
FAQs
Can I make these wraps ahead of time?
You can prepare the tuna mayo filling in advance, but assemble the wraps just before eating to keep the lettuce crisp.
Which lettuce is best for wraps?
Little Gem and Romaine lettuce are sturdy and hold the filling well, but iceberg or butter lettuce also work.
Is canned tuna keto-friendly?
Yes, canned tuna is high in protein and contains zero carbs, making it ideal for keto.
Can I add other vegetables?
Yes, diced cucumber, radish, or spring onion add extra crunch and flavour without increasing carbs significantly.
How do I keep the wraps from falling apart?
Use the largest, sturdiest lettuce leaves and avoid overfilling. Wrap tightly and serve immediately.
Tuna Mayo Lettuce Wraps with Crunchy Veggies
Ingredients
- 160g Tuna (in spring water, drained) (1 standard tin)
- 3 tbsp Mayonnaise (full-fat, sugar-free)
- 1 small stalk Celery (finely diced)
- 1 tsp Lemon juice (freshly squeezed)
- 1/2 tsp Dijon mustard (optional, for extra tang)
- 1/4 tsp Salt (to taste)
- 1/4 tsp Black pepper (freshly ground)
- 6 large Little Gem or Romaine lettuce leaves (washed and dried)
Instructions
- Drain the tuna thoroughly and add to a mixing bowl. Flake with a fork until fine.
- Add mayonnaise, diced celery, lemon juice, Dijon mustard (if using), salt, and black pepper.
- Mix well until the tuna is evenly coated and the mixture is creamy.
- Taste and adjust seasoning if needed.
- Lay out the lettuce leaves on a board. Pat dry with kitchen paper if damp.
- Spoon the tuna mayo mixture evenly into the centre of each lettuce leaf.
- Fold or roll the leaves around the filling to form wraps.
- Serve immediately for maximum crunch.
Allergens & Swaps
Allergens: eggs, fish, mustard
- Mayonnaise → Egg-free vegan mayo — For egg allergy
- Dijon mustard → Omit or use English mustard — If allergic to mustard
- Tuna → Cooked shredded chicken — For fish allergy
Nutrition (per serving)
- Protein: 19 g
- Fat: 18 g
- Carbs: 2 g
- Energy: 245 kcal
