"Let the cake cool for 30 minutes before inverting so the bourbon caramel can (deliciously) absorb...."
INGREDIENTS
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Nonstick vegetable oil spray
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1 1/4 cups (packed) dark brown sugar
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1/2 cup (1 stick) unsalted butter, cut into 1-inch pieces
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1/4 cup bourbon
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1 medium pineapple
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1 1/3 cups cake flour
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2 teaspoons baking powder
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1 teaspoon kosher salt
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1/8 teaspoon ground cardamom
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1 cup sugar
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1/2 cup (1 stick) unsalted butter, room temperature, cut into 1-inch pieces
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2 teaspoons vanilla extract
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2 large eggs
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1 cup sour cream