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1
Preheat oven to 350F.
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2
Blend graham cracker crumbs and sugar in processor.
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3
With machine running, add melted butter and lemon juice; blend until crumbs are evenly moistened.
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4
Press crumb mixture onto bottom and 2 inches up sides of 10-inch-diameter springform pan with 2 3/4-inch-high sides.
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5
Freeze crust 15 minutes.
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6
Bake crust until set, about 10 minutes.
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7
Cool completely.
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8
Maintain oven temperature.
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9
Using electric mixer, beat first 3 ingredients in large bowl until fluffy and smooth, stopping occasionally to scrape down sides of bowl.
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10
Add sour cream, whipping cream, lemon juice, and vanilla and beat just to blend, stopping occasionally to scrape down sides of bowl.
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11
Add eggs 1 at a time, beating just to blend after each addition.
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12
Pour filling into crust (filling will just fill crust).
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13
Place springform pan on rimmed baking sheet.
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14
Bake cheesecake until top appears set, puffed, and golden at edges but still moves slightly all over when shaken, about 55 minutes.
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15
Cool cake 5 minutes.
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16
Mix sour cream, sugar, and vanilla in medium bowl.
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17
Spoon topping over hot cake, spreading to edge of pan and covering completely.
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18
Bake 10 minutes.
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19
Transfer cake to rack; cool 10 minutes.
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20
Run sharp knife around top 1/2-inch edge of cake to loosen.
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21
Place hot cheesecake directly in refrigerator; chill uncovered overnight.
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22
Stir Port, sugar, and vinegar in heavy large saucepan over medium-high heat until sugar dissolves.
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23
Boil until liquid is reduced to 3/4 cup, stirring occasionally, about 25 minutes.
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24
Cool.
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25
Mix in lemon peel.
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26
(Cake and syrup can be prepared 2 days ahead.
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27
Cover cake and keep refrigerated.
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28
Cover syrup and let stand at room temperature.)
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29
Starting below stem end of each berry half, make 3 lengthwise slits through tip.
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30
Fan berries and place around edge of cake.
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31
(Can be made 8 hours ahead.
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32
Cover; chill.)
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33
Release pan sides.
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34
Slice cake and drizzle with Port syrup.
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35
Serve syrup alongside.