Slow Cooker Ragu Pappardelle - Challenge Dairy

Ingredients

• 1½ pound boneless beef chuck, cut into 2-inch cubes
• kosher salt
• freshly ground black pepper
• 2 Tablespoons olive oil, divided
• 1 small onion, chopped
• 1 carrot, chopped
• 1 celery stalk, chopped
• 3 garlic cloves, chopped
• 1 28-ounce can crushed tomatoes
• 2 bay leaves
• 5 sprigs thyme
• 1 pound pappardelle
• 4 Tablespoons Challenge Unsalted Butter
• ½ cup grated parmesan, plus more for serving