Mommom'S Potato Parmesan Souffle - cooking recipe

Ingredients

4 cups mashed potatoes, instant (prepared as pkg. directed)
6 eggs, separated
1 cup parmesan cheese, shredded
1 teaspoon salt
1 teaspoon cream of tartar

Preparation

Prepare instant mashed potatoes according to package directions for 8 servings.
While still hot, beat in egg yolks, one at a time, and mix in cheese.
At this point, you can cover and let stand at room temperature a few hours.
About 1 hour before serving time, beat egg whites until foamy, add salt and cream of tartar, and beat until soft peaks form.
Fold beaten whites into potato mixture.
Spoon into a 4-quart souffle dish.
Bake in a 375 degree oven, allowing 45 minutes for small souffles or 1 hour for a large souffle.