Step 1

When the potatoes are cooked and soft, combine them with milk, butter, salt, cinnamon and nutmeg in a large bowl and mash or puree until smooth.

Step 2

Spoon into a 9 x 9 or 11 x 7-inch baking dish. Bake at 350 covered, until heated through, about 20 minutes. If making ahead, and baking from the refrigerator, add more time as needed until the center is hot.

Step 3

Preheat the broiler.

Step 4

Sprinkle 1/2 cup brown sugar evenly over top.

Step 5

Broil about 6 inches from the flame until the sugar melts and becomes caramelized, careful not to burn. About 2 to 3 minutes.

Step 6

Let it stand until the melted sugar hardens (about 5 minutes).