PREPARATION:
- Preheat oven to 350°F.
- Melt margarine in small saucepan over medium heat. Stir in graham cracker crumbs. Press crumb mixture firmly onto bottom and 1 inch up side of 9-inch springform pan. Bake 10 minutes. Remove from oven. Cool 10 minutes. Arrange blueberries in a single layer on top of crust. Refrigerate until needed.
- Place 1/2 cup cold water in small saucepan; sprinkle gelatin over water. Let stand 3 minutes to soften. Heat gelatin mixture over low heat until completely dissolved, stirring constantly.
- Combine cheeses in large bowl with electric mixer. Beat at medium speed until well blended. Beat in 1/2 cup sugar until well blended. Beat in sour cream, lemon juice and lemon peel until well blended. Beat in gelatin mixture until well blended.
- With clean, dry beaters, beat egg whites in medium bowl with electric mixer at medium speed until soft peaks form. Gradually add remaining 1/4 cup sugar. Beat at high speed until stiff peaks form. Fold egg whites into cream cheese mixture. Gently spoon mixture into prepared crust. Cover with plastic wrap. Refrigerate 6 hours or until firm. Cut into 16 slices before serving.
