In a large bowl, add the tuna and avocado. Use a fork to smash the avocado and tuna together.
2. Step
Add the carrots, celery, red onion, Dijon mustard, lemon juice, garlic powder, salt, and pepper. Stir to combine.
3. Step
Lay a tortilla flat on a plate. Lay a lettuce leaf on the tortilla. Scoop ¼ of the tuna mixture into the center of the lettuce and spread down the middle. Top with cherry tomatoes and carefully roll the the tortilla to create a wrap. Repeat with the remaining ingredients.
