INGREDIENTS
•
Nonstick cooking spray
•
2 tablespoons unsalted butter
•
6 cups sliced leeks
•
1 tablespoon water
•
3/4 teaspoon salt
•
1 1/2 cups whole milk
•
1/2 cup grated Parmesan cheese
•
1/2 cup snipped fresh parsley
•
2 tablespoons all-purpose flour
•
1 teaspoon ground black pepper
•
1/2 teaspoon ground nutmeg
•
2 1/2 - 3 pounds Yukon gold potatoes, peeled and thinly sliced
•
8 ounces red-skin sweet potatoes, peeled and thinly sliced
•
1/3 cup shredded reduced-fat sharp cheddar cheese