Celestial Cheesecake
["1/3 c. crushed graham crackers", "12 oz. nonfat cottage cheese", "8 oz. nonfat cream cheese", "3/4 c. sugar", "2 egg whites", "1/2 tsp. vanilla", "1 1/2 Tbsp. lemon juice", "1 pkg. Dream Whip (prepared with skim milk)", "1 Tbsp. sugar", "1 c. nonfat sour cream"]
["Sprinkle crumbs in bottom of 9-inch spring-form pan sprayed with Pam.", "Place cheeses, sugar, egg whites, vanilla and lemon juice in blender.", "Whip until smooth.", "Pour into pan.", "Bake at 350\u00b0 for 30 minutes.", "Cool.", "Stir together Dream Whip, sugar and sour cream.", "Spread on cooled cheesecake.", "Chill.", "Remove sides of pan to serve."]
["graham crackers", "cheese", "nonfat cream cheese", "sugar", "egg whites", "vanilla", "lemon juice", "Dream Whip", "sugar", "nonfat sour cream"]