Mrs. Reagan's Sweet Potato Souffle Recipe

Preheat oven to 400 degrees F. Prick sweet potatoes with fork and placein baking dish. Put in oven and bake for 45 minutes to 1 hour or untilsoft.
Remove from oven, slice in half and scoop out the flesh into a bowl.Using a wire whisk or electric mixer, whip until smooth. Transfer 1 3/4 cups to a separate bowl. Reserve remaining potatoes for another use.Lower oven temperature to 350 degrees F. In a bowl, blend sweet potatoesand cream. Add egg yolks, nutmeg, and brown sugar. Mix well. Fold in beatenegg whites. Transfer mixture into a buttered 1 quart souffle baking dish andbake in the oven for 35 to 40 minutes or until a knife inserted in the center comes out clean.