Preheat the oven to 375F. Line a baking sheet with parchment paper.
On a lightly floured work surface, roll the pizza dough into a 12”x18” rectangle.
1 lb. store bought pizza dough
Melt the butter with the seasonings in a small saucepan over low heat. Brush ⅔ of the butter over the dough reserving the rest for later.
3 tbsp unsalted butter, 1 ½ tsp Italian seasoning, 1 tsp garlic powder, ½ tsp red pepper flakes, ½ tsp kosher salt
Spread a layer of pepperoni over the dough followed by the cheese.
6 oz sliced pepperoni, 8 oz low-moisture shredded mozzarella cheese, ⅓ cup parmesan cheese
From a long side, roll the dough into a tight log and place onto the prepared baking sheet, seam-side down.
Beat the egg and water together and brush over the roll. Bake for 25-30 minutes or until golden brown. Remove from the oven and brush with remaining butter. Slice and serve.
1 ea large egg, 1 tbsp water