Place an egg roll wrapper on a clean surface in a diamond shape place a slice of provolone in the center. Top with one slice of ham, 3 slices of pepperoni, and a large pinch of both mozzarella and pepperoncini. Fold up bottom half and tightly fold in sides. Gently roll, then seal fold with a couple drops of water.
In a large skillet over medium heat, heat oil (it should reach 1" up the side of pan) until it pops and bubbles when a drop of water is added to the pan. Add egg rolls and fry until golden, 1 minute per side, then transfer to a paper towel-lined plate.
Garnish with Parmesan and parsley and serve immediately, with Italian dressing on the side for dipping.
Place an egg roll wrapper on a clean surface in a diamond shape place a slice of provolone in the center. Top with one slice of ham, 3 slices of pepperoni, and a large pinch of both mozzarella and pepperoncini. Fold up bottom half and tightly fold in sides. Gently roll, then seal fold with a couple drops of water.
Working in batches, cook egg rolls at 390° until golden, about 12 minutes, flipping halfway through.