Easy Homemade Calzone Recipe - Once Upon a Chef

Ingredients

• 1 lb homemade or store-bought pizza dough
• 2 tablespoons olive oil, for greasing the pan
• 1 cup (4 oz) shredded whole milk mozzarella cheese
• ½ cup whole milk ricotta cheese, preferably Galbani brand
• 2 tablespoons finely grated Pecorino Romano or Parmigiano Reggiano cheese
• ⅛ teaspoon salt (see note)
• ⅛ teaspoon freshly ground black pepper
• ¼ teaspoon dried oregano
• ⅛ teaspoon crushed red pepper flakes (optional)
• 2 tablespoons pizza or marinara sauce, plus more for dipping if desired
• 8 large thinly-sliced pepperoni (1.5 oz)
• 1 egg, beaten, for brushing the calzones before baking