Sweet Potato Souffle
["1 (40 oz.) can sweet potatoes, drained", "1 tsp. grated lemon peel", "1/3 c. powdered milk or skim milk", "2 Tbsp. all purpose flour", "3/4 tsp. baking powder", "1 Tbsp. apple juice concentrate", "1/4 tsp. cinnamon", "pinch of cloves", "1 tsp. vanilla extract", "1 tsp. fresh lemon juice", "2 egg whites"]
["Preheat oven to 325\u00b0.", "Place sweet potatoes in large mixer bowl and beat until smooth.", "Add remaining ingredients except egg whites; blend until smooth.", "Beat egg whites in small mixer bowl with clean beaters at medium speed until stiff but not dry.", "Fold into potato mixture.", "Pour into 8-inch nonstick baking pan and bake uncovered 50 to 60 minutes until golden and set.", "Makes 6 servings."]
["sweet potatoes", "powdered milk", "flour", "baking powder", "apple juice concentrate", "cinnamon", "cloves", "vanilla extract", "lemon juice", "egg whites"]