Coconut & Lime Curd Sheet Cake


I dont think there has ever been a summer where I havent eaten anything citrusy or coconutty.. 🙂 So here is my version of this summers treat – my Coconut & Line Curd Sheet cake! Super simple, super tasty, and super summery! 🙂

Here’s how you make it!


For the Coconut-Lime Cake:

  • 1 1/2 cups unsweetened shredded coconut
  • Dav of Butter to cat the pan with
  • 1 3/4 cups fine baking flour, plus more for coating the pan
  • 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1/3 cup virgin coconut oil, melted
  • 1 1/2 teaspoons vanilla extract
  • 1 1/3 cups canned unsweetened coconut milk, divided into half
  • 1 1/2 cups sugar
  • 168g unsalted butter at wroom temperature
  • 3 large eggs
  • 1 tablespoon finely grated lime zest
  • 1/3 cup fresh lime juice (from about 6 limes)


For the Coconut-Lime Curd:

  • 58g unsalted butter, cut into pieces at room temperature
  • 3 large egg yolks
  • 1/2 cup sugar
  • 1 teaspoon grated lime zest
  • 1/4 cup fresh lime juice (from about 4 limes)


For the Whipped Cream Topping:

  • 1 1/2 cups cold heavy cream
  • 1 teaspoon grated lime zest
  • 1 cup unsweetened coconut flakes


Make the Coconut-Key Lime Cake:

  1. Position rack in middle of oven; preheat to 350°F. Spread coconut in a single layer on a rimmed baking sheet and toast until golden brown and aromatic, 3–5 minutes. Let cool 5 minutes.
  2. Meanwhile, coat a 13×9″ pan with nonstick spray. Dust with flour, tapping out any excess.
  3. Whisk toasted coconut, baking powder, salt, and 1 3/4 cups flour in a medium bowl. Mix coconut oil, vanilla, and 2/3 cup coconut milk in another medium bowl.
  4. Cream sugar and butter in the bowl of a stand mixer fitted with the paddle attachment at medium speed, occasionally scraping down sides of bowl, until pale and fluffy, 3–4 minutes. Add eggs, one at a time, beating to blend after each addition. Reduce mixer speed to low and beat in dry ingredients in 3 additions, alternating with coconut milk mixture in 2 additions, beginning and ending with dry ingredients. Pour batter into prepared pan, smoothing top with a spatula.
  5. Bake cake until top is set and golden brown and a tester inserted into the center comes out clean, 25–30 minutes.
  6. Mix key lime zest, juice, and remaining 2/3 cup coconut milk in a small bowl (it’s okay if mixture separates slightly; it will be absorbed by cake). Using a skewer, poke holes every 2″ into warm cake. Slowly pour key lime zest mixture over cake. Transfer pan to a wire rack and let cake cool completely.

Make the Coconut-Key Lime Curd:

  1. Pour water into a medium pot to a depth of 2″. Bring to a simmer over medium heat. Place butter in a large bowl.
  2. Whisk egg yolks and sugar in a heatproof medium bowl. Whisk in key lime zest and juice. Set bowl on saucepan, making sure bottom does not touch water. Cook, whisking occasionally, until mixture is thick enough to coat the back of a spoon and an instant-read thermometer registers 175°F, 3–4 minutes.
  3. Strain egg yolk mixture through a fine-mesh sieve over butter, then stir with a rubber spatula until smooth. Place a piece of plastic wrap directly on key lime curd and chill at least 30 minutes.

Make the Whipped Cream Topping:

  1. Using an electric mixer on medium speed, beat cream in a large bowl until stiff peaks form. Gently fold in chilled key lime curd and key lime zest. Spread cream on cooled cake with a spatula, then chill 30 minutes to set cream.
  2. Meanwhile, preheat oven to 350°F. Spread coconut flakes in a single layer on rimmed baking sheet and toast, tossing halfway through, until crispy and golden, 5–7 minutes. Let cool.
  3. When ready to serve, sprinkle toasted coconut flakes over cake.


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