Preheat the oven to 350°F. Spray a 9x13 baking dish with cooking spray.

Unroll one of the rolls of the crescent dough and press it into the bottom of the baking dish, making sure the dough goes up the sides of the pan about 1 inch high.

Layer half of the cheese on the bottom. Top with the pepperoni, then ham, then salami. Add the sliced red bell peppers and pepperoncini. Finally, add the remaining provolone cheese on top.

Unroll the second crescent dough and place it on top, trying your best to pinch all the edges of the dough together to make a sealed package.

In a small bowl, whisk together the egg, pesto, and parmesan cheese.

Brush this mixture all over the top of the dough. Cover with non-stick foil, or spray a piece of foil with cooking spray, and place it spray side down on top of the dish.

Bake for 30 minutes, uncover, and bake an additional 15-20 minutes until deep golden brown.

Let cool for 10 minutes, cut, and serve.