Ingredients
4 cups mashed potatoes (without added milk and butter)1 cup fat-free milk1 cup shredded reduced-fat cheddar cheese2/3 cup shredded reduced-fat Swiss cheese1/3 cup shredded Parmesan cheese1/3 cup chopped green onions1 small onion, chopped1-1/4 teaspoons salt1/4 teaspoon pepper4 large eggs, separated
Preparation
In a large bowl, combine the potatoes, milk, cheeses, onions, salt and pepper. Beat egg yolks; stir into potato mixture. In a small bowl, beat egg whites until stiff peaks form; gently fold into potato mixture.
Transfer to a 2-qt. souffle dish coated with cooking spray. Bake, uncovered, at 375° for 40-45 minutes or until golden. Serve immediately.