"One layer of creamy, cheesy deliciousness is good—but not good enough. So we made two. This mashed potato casserole will be the best-loved side at every holiday meal...."
INGREDIENTS
•
3-1/4lb. baking potatoes (about 7), peeled, chopped and cooked
•
1/2 lb. sweet potatoes (about 3), peeled, chopped and cooked