Parmesan Mashed Potatoes with Quick Sausage Ragu | Idaho Potato Commission

Ingredients

• 1-½ pounds Idaho® potatoes, peeled, cut into chunks
• 1-½ tablespoons olive oil
• 2 garlic cloves, minced
• 1 carrot, finely diced
• 1 celery stalk, finely diced
• ½ medium white onion, finely diced
• ½ pound hot Italian sausage, casings removed if necessary
• ½ pound sweet Italian sausage, casings removed if necessary
• 2-½ cups whole milk, divided
• ½ cup tomato paste
• 1 teaspoon kosher salt, divided
• ½ cup grated Parmesan Reggiano cheese, plus additional for garnish
• ¼ cup (½ stick) unsalted butter, softened
• ¼ teaspoon ground white pepper
• ¼ cup chopped fresh parsley, for garnish