Sausage Stuffed Zucchini Boats

Bahan-bahan (6 porsi)

• 4 large or 6 medium zucchini
• 2 tablespoons olive oil (divided)
• 1 teaspoon kosher salt (divided, adjust to taste)
• ½ teaspoon freshly ground black pepper (divided, adjust to taste)
• 1 pound regular or hot breakfast sausage (Italian sausage works as well)
• 1 small onion (diced ½-inch pieces, ¾ cup worth)
• 1 small red pepper (diced ½-inch pieces, about 1 cup)
• 8 ounces fresh mushrooms (diced ½-inch pieces, about 3 cups)
• 6 cloves garlic (minced)
• 1½ tablespoons Italian seasonings
• ½ cup marinara sauce (homemade is my preference)
• 4 cups shredded mozzarella
• 2 tablespoons fresh Italian parsley (chopped small for topping)