Creating these tasty Tuna Salad Lettuce Wraps is straightforward. Follow these easy steps:

1. Prepare Ingredients: Gather all your ingredients and tools, including a mixing bowl and a spoon.

2. Mix Tuna Salad: In a large mixing bowl, combine the drained tuna, mayonnaise, Dijon mustard, lemon juice, celery, red onion, salt, and pepper. Stir until well mixed.

3. Taste and Adjust: Taste the mixture. Adjust seasoning if necessary by adding more salt, pepper, or lemon juice.

4. Wash Lettuce: Rinse the lettuce leaves thoroughly under cold water and pat them dry with a paper towel.

5. Assemble Wraps: Lay a lettuce leaf flat on your plate. Scoop a generous amount of tuna salad onto the center of the leaf.

6. Add Optional Toppings: If desired, add diced tomatoes, cucumbers, or avocado on top of the tuna salad.

7. Wrap It Up: Carefully fold the sides of the lettuce leaf over the tuna salad, resembling a taco or wrap.

8. Serve: Repeat with remaining lettuce leaves and tuna salad, serving immediately.

These steps will guide you in preparing these incredible wraps effortlessly.