1Slice a loaf of French bread in half and remove as much of the bread from the middle as you can.
2Spread garlic mayonnaise on the bread.
3Sprinkle grated Parmesan cheese and oregano on the bread.
4Bake the bread at 400 degrees for 5-7 minutes until it's toasted.
5Mix together shredded lettuce, sliced red onions, chopped pepperoncini, chopped pickles, chopped jalapeños, mayonnaise, submarine dressing, and a pinch of red pepper flakes in a large bowl.
6Take the toasted bread out of the oven.
7Add sliced Colby Jack cheese, smoked provolone cheese, ham, salami, and pepperoni to the bread.
8Put the sandwich back in the oven for about 5 minutes.
9Add sliced tomatoes and any other vegetables you like.
10Top with the lettuce mixture.
11Carefully put the top piece of bread back on.
12Brush with melted butter and sprinkle grated Parmesan cheese on top.