Prepare crust: In 9-inch springform pan, combine graham cracker crumbs and sugar to mix well. Add melted butter; combine well. Press into bottom of springform pan.
Prepare cheesecake: Preheat oven to 350° F. In blender or food processor , place crumbled Queso Fresco, eggs, sugar, crema, lemon peel and vanilla. Blend well until mixture is smooth and creamy. Spoon mixture in springform pan over crust. Bake 60 minutes or until mixture is puffed and golden. Cool on wire rack. Cover and refrigerate overnight.
To serve, remove cheesecake from pan; place on serving platter. Spread top with mango preserves. Arrange sliced mangos on preserves.