01 -
Horizontally slice the Italian bread to create two even halves.
02 -
In a bowl, combine olive oil, red wine vinegar, dried oregano, dried basil, garlic powder, and crushed red pepper flakes. Whisk until well blended.
03 -
Brush the cut surfaces of both bread halves with the prepared dressing to evenly moisten.
04 -
On the bottom half of the bread, evenly layer Genoa salami, followed by ham, mortadella, provolone, and mozzarella cheese. Spoon the olive tapenade over the cheese, then distribute roasted red peppers and sliced green olives on top.
05 -
Place the top half of bread over the fillings, press down gently, and wrap the assembled sandwich tightly in plastic wrap.
06 -
Refrigerate for a minimum of one hour to allow the flavors to meld.
07 -
Unwrap the sandwich, slice into wedges, and serve immediately.