INGREDIENTS
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Cooking spray
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1 pound pizza dough, at room temperature for 1 hour
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6 teaspoons marinara sauce, divided, plus more for serving
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24 slices pepperoni
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6 ounces low-moisture mozzarella cheese, cut into 12 pieces
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4 tablespoons (1/2 stick) unsalted butter, melted
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1/4 teaspoon garlic powder
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1/2 teaspoon kosher salt
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1/4 cup grated Parmesan cheese, divided
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1 1/2 teaspoons Italian seasoning, divided