This is a super-easy one.
For my brother-in-law’s birthday party, my sister made this looonnnnggg sandwich comprised of three different fillings. This caprese (kuh pray say) filling served as the vegetarian offering.
The bread part of this looonnnnggg sandwich was comprised of 7 loaves of frozen bread dough, thawed and then rolled into long French baguette-sized loaves. The dough was allowed to rise for a little bit then baked in the oven until golden. I believe my sister followed the regular baking instructions on the frozen dough package for the oven temp and baking time.
Caprese is usually served as an appetizer or salad. It’s simply tomato slices layered on top of slices of fresh mozzarella with fresh basil leaves on top of all of that. A nice little splash of balsamic vinegar is added for good measure.
For the sandwich, my sister eschewed the balsamic vinegar and instead mixed Dijon mustard with mayonnaise. She did all of this by eye and taste, so I have no idea what the mix measurements were.
Prior to loading the looonnnnggg sandwich with its fillings, the middle portions of each of the loaves were hollowed out, thus keeping the sandwich from being too….”bread-y”…with not enough filling.
Yum! 
‘Nuff said.
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