01 -
Turn on your oven to 350°F and let it warm up.
02 -
Cut your hoagies into smaller sections, about 2 inches wide, but keep the base intact so it looks like one loaf.
03 -
In a tiny bowl, stir together the olive oil, garlic salt, Italian herbs, and if you're into spice, some red pepper flakes. Let the mix soak into the bread cuts as you brush it on.
04 -
Layer the bread with mozzarella first, then the pepperoni, and finish it off with some Parmesan.
05 -
Pop it in the oven for 15 to 18 minutes. Pull it out when the cheese is gooey and the bread's got that nice crunch.
06 -
Serve it fresh from the oven with a side of marinara or pizza sauce for dipping.