Can I make this sandwich ahead of time?
Yes. Chop and mix all ingredients except the roll up to 2 hours ahead, then refrigerate. Assemble on the roll just before eating to prevent sogginess.
What deli meats work best for this recipe?
Ham, salami, and pepperoni are traditional. For variation, use capicola, mortadella, or prosciutto. Keep slices thin so they chop evenly.
Can I use a different dressing?
Yes. Italian vinaigrette, balsamic vinegar, or oil and vinegar work well. Avoid wet dressings like ranch, which will make the sandwich soggy.
Is this recipe gluten-free?
Only if you use a gluten-free hoagie roll. All other ingredients are naturally gluten-free.
How do I prevent the sandwich from falling apart?
Keep the filling moist but not wet by draining excess liquid from chopped vegetables. Pack it firmly into the roll without overstuffing.