Serve immediately for the freshest crunch.
Store leftovers in an airtight container in the fridge for up to 1 day.
Keep avocado and dressing separate if prepping ahead to avoid sogginess.
Variations
Swap provolone for mozzarella, cheddar, or Swiss.
Use turkey, roast beef, or chicken instead of ham.
Add olives, cucumber, or roasted peppers for extra flavor.
