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Preheat oven to 350. Lightly butter bottom and sides of 10" springform pan.
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First four ingredients are for the crust. Mix graham cracker crumbs, sugar, cinnamon and melted butter in medium bowl to combine.
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Press crumb mixture into bottom of greased pan and 1/2 way up the sides.
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Bake 5 minutes, then remove to cooling rack.
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Decrease oven temp to 325.
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Next five ingredients are for the filling. In medium bowl beat egg whites to soft peaks.
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In large bowl mix cream cheese, sugar and vanilla until smooth.
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Add whole egg and egg yolks one at a time, mixing just until combined.
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Fold whipped egg whites into cream cheese mixture.
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Pour over crust.
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Bake 1 hour or until center is almost set. Shouldn't be too jiggly or moist-looking.
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Remove to wire rack, cool 10 minutes. Run sharp knife around edge to loosen. Cool at least 2 hours longer before adding topping.
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Last four ingredients are for the topping. Mix sour cream, sugar and vanilla.
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Fold in whipped cream.
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Spread over cheesecake.
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Refrigerate at least 3-4 hours.