In a medium bowl combine all ingredients except the lettuce. Mix well.
Add a couple lettuce leaves (or chop it for easier eating, if desired) on six individual plates (or one large platter for serving family-style as a dinner). Spoon tuna salad on top.
For Meal Prep: pack the tuna salad into one container and the lettuce into another container. Store in the fridge 4-5 days. To serve, spoon the tuna salad on top of lettuce.
Notes
Serving Idea: Serve with pita chips or warmed pita halves.Storage: The tuna salad will keep up to 5 days in an airtight container.Recipe adapted from Cooking Light.