- Vegetable cooking spray
- 3 pounds Yukon Gold or Eastern potatoes, unpeeled and thinly sliced
- 1 large onion, thinly sliced
- 1 (10.75 ounce) can Campbell's® Condensed Cheddar Cheese Soup
- 1/2 cup milk
- 1/2 cup grated Parmesan cheese
- 1/2 teaspoon salt
- 1/4 teaspoon ground black pepper
- 1 cup shredded Cheddar cheese
- Spray a 6-quart slow cooker with the cooking spray. Layer one third of the potatoes and half of the onion in the cooker. Repeat the layers. Top with the remaining potatoes.
- Stir the soup, milk, Parmesan cheese, salt and black pepper in a medium bowl. Pour the soup mixture over the potatoes. Cover and cook on HIGH for 4 to 5 hours or until the potatoes are tender.
- Sprinkle with the Cheddar cheese. Cover and let stand for 5 minutes or until the cheese is melted.