Pizza Pot Pie

Name: Pizza Pot Pie
Prep time: 15 min
Total time: 15 min
Cuisine: American
Ingredients: 2 tbsp. extra-virgin olive oil, plus more for crust; 2 c. broccoli florets, roughly chopped; 2 bell peppers, diced; 8 oz. sliced mushrooms; 1 lb. Italian sausage (sweet or spicy), casings removed; 1/4 c. all-purpose flour, plus more for rolling dough; 2 cloves garlic, minced; 1 tsp. dried oregano; Kosher salt; Freshly ground black pepper; 2 c. pizza sauce; 1/2 lb. refrigerated pizza dough; 2 c. shredded mozzarella; 1/4 c. sliced pepperoni; Freshly grated Parmesan, for garnish; Freshly chopped parsley, for garnish]