Ingredients

  • 1 14 cups cake flour
  • 1 12 cups light brown sugar, packed sifter
  • 14 large egg whites, room temperature
  • 1 12 teaspoons cream of tartar
  • 1 pinch salt
  • 2 teaspoons lemon zest
  • candied citrus slices, see recipe below
  • 16 ounces creme fraiche
  • 3 cups sugar
  • 1 red grapefruit, small thinly sliced into rounds
  • 1 navel orange, thinly sliced into rounds

Method

  • CAKE:.
  • Preheat oven to 350 degrees, stir together flour and 3/4 cup brown sugar, sift twice.
  • Put egg whites into a bowl of an electric mixer fitted with the wisk attachement.
  • Beat on medium speed until foamy, add cream of tarter and salt.
  • Raise speed to high, and beat until soft peaks form.
  • Sprinkle half the remaining 3/4 cup brown sugar over the egg white mixture, and beat until combined.
  • Sprinkle with remailing brown sugar over egg white mixture, and beat until stif, glossy peaks form.
  • Transfer egg white mixture to a large bowl.
  • Fold in flour mixture in 3 batches, folding in the lemon zest with the last batch.
  • Spoon the batter into an ungreased 10-inch tube pan (not nonstick) with a removable bottom.
  • Run a knofe through the batter to eliminate air pockets.
  • Bake until cake is golden and springs back when lightly touched about 45 minutes.
  • Invert pan onto its legs or over a narrow-neck bottle.
  • Let cool 1 hour.
  • reinvert, and run a knife sides and tube to loosen; remove sides.
  • Run a knofe along bottom of fo cake and remove from tube.
  • Place cake on serving platter.
  • Cut slit in rind of candied citrus slices, then twist slices and place around bottom ifcake.
  • reserve 1 slice for hole in center.
  • Put creme fraiche into a medium bowl.
  • wisk until lightened.
  • Transfer a little more than 1/4 cup into a pastery bag fitted with a large rose tip (such as Ateco No.
  • 123).
  • Decoratively pipe creme fraiche around top edge of cake.
  • Place one citrice slice over the hole in top of the cake and pipe creme fraiche around it.
  • serve remaining creme fraiche on the side.
  • CANDIED CITRUS SLICES:.
  • Cut a round of parchment paper to fit inside medium pot and set parchment paper aside.
  • Bring sugar and 3 cups water to a simmer in pot, stiring until sugar has desolved.
  • When liqued is clear and bubbling, reduce heat to medium-low heat.
  • Add citrus slices,arranging them in a slightly overlapping layer.
  • Cover with the parchment paper round.
  • Place a cake pan on top of the parchment paper to keepslices submerged.
  • Simmer (do not boil) until rinds are almosr translucent, about 40 minutes.
  • Let cool completely in syrup.
  • Candies citrus slices can be stored in syrup up to 1 week.
  • Line a baking sheet with parchment paper and set a wire rack over sheet.
  • Transfer citrus to rack.
  • Let stand until dry and slightly firm, about 8 hours.