"This moist and fluffy dessert uses toasted coconut, coconut milk, and coconut oil to infuse as much flavor as possible into the cake. Good thing this sheet cake serves a crowd—the creamy key lime topping will have your guests coming back for a second piece...."
INGREDIENTS
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1 1/2 cups unsweetened shredded coconut
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Nonstick vegetable oil spray
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1 3/4 cups cake flour, plus more for pan
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1/2 teaspoon baking powder
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1/2 teaspoon kosher salt
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1/3 cup virgin coconut oil, melted
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1 1/2 teaspoons vanilla extract
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1 1/3 cups canned unsweetened coconut milk, divided
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1 1/2 cups sugar
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3/4 cup (1 1/2 sticks) unsalted butter, room temperature
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3 large eggs
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1 tablespoon finely grated key lime zest
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1/3 cup fresh key lime juice (from about 6 key limes)
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1/4 cup (1/2 stick) unsalted butter, cut into pieces, room temperature
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3 large egg yolks
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1/2 cup sugar
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1 teaspoon finely grated key lime zest
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1/4 cup fresh key lime juice (from about 4 key limes)
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1 1/2 cups cold heavy cream
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1 teaspoon finely grated key lime zest
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1 cup unsweetened coconut flakes