Ingredients

  • 1 small butternut squash (about 1 3/4 pounds)
  • unsalted butter, for parchment and pan
  • 34 teaspoon ground cinnamon
  • 18 teaspoon ground allspice
  • 18 teaspoon freshly grated nutmeg
  • 12 teaspoon ground ginger
  • 2 12 lbs cream cheese, room temperature
  • 1 34 cups sugar
  • 12 cup all-purpose flour
  • 34 cup sour cream
  • 1 14 teaspoons pure vanillla extract
  • 14 teaspoon salt
  • 5 large eggs
  • 6 tablespoons unsalted butter, softened
  • 13 cup sugar
  • 1 large egg yolk
  • 1 teaspoon pure vanilla extract
  • 1 cup all-purpose flour, plus more for work surface
  • 1 pinch salt

Method

  • Preheat oven to 350F
  • MAKE THE FILLING: Cut squash in half lengthwise; remove seeds, and reserve for another use.
  • Place squash, cut sides down on a baking sheet lined with buttered parchment paper.
  • Bake until tender, about 45 minutes.
  • Transfer sheet to a wire rack; let cool.
  • MAKE THE CRUST: Put butter and sugar into the bowl of an electric mixer fitted with the paddle attachment; mix on medium speed until pale and fluffy.
  • Mix in egg yolk and vanilla.
  • Reduce speed to low.
  • Add flour and salt; mix until dough comes together.
  • Shape into a disk; wrap in plastic.
  • Refrigerate until fim, at least 30 minutes and up to 1 day.
  • On a lightly floured surface, roll dough into a 10-inch circle, a scant 1/4-inch thick.
  • Fit into bottom of a 10-inch springform pan.
  • Freeze 15 minutes.
  • Bake until crust is firm and pale golden, 12-15 minutes.
  • Transfer to a wire rack; let cool completely.
  • Reduce oven temperature to 325F.
  • Scoop squash flesh into the bowl of a food processor; process until pureed.
  • Transfer 1 cup puree to a medium bowl; reserve remainder for another use.
  • Stir in cinnamon, allspice, nutmeg, and ginger.
  • Wrap exterior of springform pan (including base) in 2 layers of foil.
  • Butter sides of pan; set aside.
  • Put cream cheese into the clean bowl of an electric mix fitted with the clean paddle attachment; mix on medium speed until fluffy.
  • Gradually add sugar and flour, mixing until smooth.
  • Mix in sour cream, vanilla and salt.
  • Mix eggs, one at a time, until just combined, do not over mix.
  • Stir 2 cups cream cheese mixture into squash mixture; set aside.
  • Pour remaining cream cheese mixture into prepared pan on top of crust.
  • Drop dollops of squash-cream cheese mixture on top.
  • Gently swirl with a butter knife.
  • Set pan in a large shallow roasting pan.
  • Transfer to oven.
  • Carefully pour enough boiling water into roasting pan to come halfway up sides of cheesecake.
  • Bake until cake is set but still slightly wobbly in center, 50-60 minutes.
  • Turn off oven; let stand in oven with door slightly ajar for 1 hour.
  • Let cool completely on wire rack.
  • Refrigerate for at least 6 hours or overnight.
  • Run a knife around sides of cake; unmold.