Grandson's Favorite Bake | Recipe Reader

Ingredients

• 4 tablespoons extra-virgin olive oil, divided, plus more, to taste, for greasing the baking dish
• 12 ounces cavatappi pasta
• 2 tablespoons plus 2 teaspoons kosher salt, divided
• 1 (1-pound) package Italian sausage, casings removed
• 1 (8-ounce) package cremini mushrooms, stemmed and sliced
• 1 small yellow onion, chopped
• 2 cloves garlic, finely chopped
• 3 (8-ounce) cans tomato sauce
• 1 (14.5-ounce) can diced tomatoes
• 1 1/2 teaspoons dried oregano
• 1 teaspoon dried basil
• 1/4 teaspoon crushed red pepper flakes
• 1/2 green bell pepper, chopped into 1/2-inch-thick pieces
• 3 cups mozzarella cheese, shredded
• 1/3 cup pepperoni slices