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1
Preheat oven to 300F.
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2
Place a sheet of foil on the inside of the springform pan. Press it in so it's as smooth as you can get it.
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3
In a food processor, pulse vanilla wafers and almonds until fine crumbs form; add melted butter, sugar, and salt, and pulse to combine, don't make it too moist or it will come out crunchy, it should still crumble when you pick it up, it shouldn't be sticky. Press crumb mixture into the bottom of the spring form.
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4
Set a full kettle of water to boil.
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5
Using an electric mixer, beat cream cheese and sugar on medium-high until fluffy and smooth scraping down side of bowl, add vanilla. Beat in sour cream, egg yolks and salt.
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6
Remove the batter from the mixer bowl and wash out the bowl (unless of course you have an extra mixer bowl). Put in the egg whites and beat on high until stiff peaks form. Gently fold the egg whites into the cream cheese mixture. Pour into the crust.
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7
Wrap outside of spring form pan in foil, use the large size sheets not the small or the water will leak into your cheesecake. Pour in filling; place pan inside of a roasting pan. Pour in boiling water (from your kettle), enough to come halfway up side of springform. Bake until just set in center, about one and a quarter hours. When done, the middle will still be jiggly but the top will be set. When cook time has elapsed, turn oven off and leave pan in oven with the door closed to cool for about an hour then remove and let cool to room temperature.
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8
Cover; chill overnight before serving.
