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swirled bundt cake on parchment paper
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Citrus Bundt Cake with Glaze

Sweet, tart flavors and pieces of citrus flesh scattered throughout this tender bundt cake! Topped with a meyer lemon glaze.
Course cake
Cuisine American
Keyword bundt cake, bundt pan, grapefruit, lemon zester, meyer lemons, powdered sugar, stand mixer
Prep Time 30 minutes
Cook Time 1 hour 10 minutes
Total Time 1 hour 40 minutes
Servings 8 servings

Ingredients

Cake

  • 1 medium grapefruit
  • 2 blood oranges
  • 3 cups 600g granulated sugar
  • 3 cups 375g all-purpose flour
  • 1/2 teaspoon baking soda
  • 3/4 teaspoon salt
  • 1 cup 225g unsalted butter softened
  • 6 large eggs at room temperature
  • 1 cup 225g sour cream at room temperature

Lemon Glaze

  • 2 medium Meyer lemons regular lemons will work, too
  • 3 cups 360g confectioners' sugar, sifted
  • Pinch salt

Instructions

  • Position a rack in the center of the oven and preheat to 325ºF (160ºC). Butter and flour a 10-inch tube or Bundt pan very thoroughly.

To make the cake

  • Scrub the grapefruit and blood oranges with warm soapy water to remove any excess wax, then dry the fruit. Put the sugar into a medium bowl and zest the grapefruit and blood oranges directly into the sugar. Use your fingers to rub the zest into the sugar until evenly distributed and fragrant.
  • Supreme the grapefruit and oranges: Cut the tops and bottoms off of all the fruits, then cut the white pith away from the outside of the fruit. Over a bowl, carefully cut the wedges of fruit away from the membrane, letting the fruit and juices fall into the bowl. Remove any seeds that have fallen in and gently break up the fruit into 1/2-inch pieces.
  • Sift the flour, baking soda, and salt together in a bowl. In the bowl of a stand mixer fitted with the paddle attachment, or in a large bowl with an electric mixer, mix the butter on medium speed for about 2 minutes. Add half of the sugar and zest mixture and turn the mixer up to medium high. Mix for 2 minutes, then add the remaining sugar and mix for 4 minutes, making sure to scrape down the bottom and sides of the bowl with a rubber spatula periodically. The butter and sugar should be very light, fluffy, and fragrant.
  • Add the eggs one at a time, mixing for about 30 seconds after each addition. Periodically stop the mixer and scrape the bottom and sides of the bowl to ensure even mixing.
  • On low speed, add the sour cream (and vanilla, if using) followed by the flour mixture, and mix until just combined. Remove the bowl from the mixer and gently fold in the fruit segments and juices. Pour the batter into the prepared pan and tap the pan lightly on the counter to remove any large air bubbles.
  • Bake the cake until it is golden and a cake tester inserted in the center comes out clean, 60 to 75 minutes, depending on the pan. Let the cake cool in the pan for 20 minutes, then carefully unmold it onto a rack to cool a bit more before glazing.

To make the glaze

  • Zest and juice the lemons. Add the zest, confectioners’ sugar, and a pinch of salt to a bowl. Whisk in about 6 tablespoons of the lemon juice. You want the glaze to be thick, but pourable. If the glaze seems too thick to pour, add a few more drops of lemon juice.
  • When the cake has mostly cooled, use a skewer to poke a few holes into its surface. Drizzle half of the glaze on top of the cake, let it soak in for about 20 minutes, then whisk the remaining glaze until smooth and pour it over the top of the cake. Let the glaze set for a few minutes before serving.
  • Store leftover citrus bundt cake in an airtight container at room temperature for up to three days.