1: Enhance flavor with a dash of Dijon mustard.

2: Mix in creamy avocado for added texture.

3: Replace mayo with Greek yogurt for a healthier twist.

4: Layer with crisp lettuce and juicy tomato slices.

5: Sprinkle with tangy pickles or olives for a zesty kick.

6: Balance flavors with a squeeze of fresh lemon juice.

7: Add a hint of sweetness with diced apples or grapes.

8: Upgrade with a sprinkle of crunchy toasted nuts.

9: Serve on whole grain bread for added fiber.