Tortellini Pepperoni Pizza Casserole (Easy Pasta Bake) - Quickie Recipe

Ingredients

• 20 oz (565 g) refrigerated cheese tortellini
• 1 tablespoon olive oil
• 1 small red bell pepper, diced
• 8 oz (225 g) cremini mushrooms, sliced
• 2 cloves garlic, minced
• 1 teaspoon Italian seasoning
• 1 1/2 cups (360 ml) thick pizza sauce
• 1 cup (240 ml) marinara sauce
• 3 oz (85 g) pepperoni, half chopped and half sliced
• 2 cups (225 g) shredded mozzarella cheese, divided
• 1/3 cup (35 g) grated parmesan cheese
• 1/4 teaspoon crushed red pepper flakes, optional
• Salt and black pepper, to taste
• 2 tablespoons chopped fresh basil, for serving