Lay out the slices of whole wheat bread on a clean surface.
Spread a generous layer of mayo onto each slice of bread
Layer the bread with spinach, arugula, tomato drizzled with oil and seasoned with salt pepper and oregano, cucumber, pepperoncini, turkey, red onion, avocado, and cheese. Top with remaining slice of bread. Cut in half.
Mix the ingredients for the lemon sparkling water.
Serve sandwich with carrots, ranch, and lemon sparkling water.