small onion, chopped
teaspoon ground mustard
cups mashed potatoes (with added milk and butter)
cup (4 ounces) shredded cheddar cheese, optional
In a large skillet, saute onion in butter until tender. Stir in the milk, mustard, salt and pepper; bring to a boil. Remove from the heat; stir in potatoes. Stir in egg yolks until blended. Cool at room temperature for 15 minutes. Stir in the cheese if desired. In a small bowl, beat egg whites until soft peaks form. Fold into potato mixture. Spoon into a greased 1-qt. baking dish. Bake at 350° for 40-45 minutes or until puffed and lightly browned. Yield: 6 servings. Nutritional Facts 1 serving (3/4 cup) equals 217 calories, 15 g fat (9 g saturated fat), 112 mg cholesterol, 488 mg sodium, 15 g carbohydrate, 2 g fiber, 8 g protein.