"This version of our delicious vanilla-buttermilk cake is simply topped with a swoosh of orange cream-cheese frosting and raspberries. It's so easy to serve right out of the pan, which makes it perfect for backyard barbecues and potlucks...."
INGREDIENTS
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2 cups cake flour, plus more for pan
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1 teaspoon baking powder
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1/2 teaspoon baking soda
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1/4 teaspoon kosher salt
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3/4 cup (1 1/2 sticks) unsalted butter, room temperature
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1 3/4 cups granulated sugar, divided
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4 large eggs, separated
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1 teaspoon vanilla extract
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1 cup buttermilk
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1/4 cup granulated sugar
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1 vanilla bean, split lengthwise
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1 (8-ounce) package cream cheese, chilled
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5 tablespoons unsalted butter, room temperature
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1/2 teaspoon finely grated orange zest
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1 1/2 teaspoons fresh orange juice
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1/2 teaspoon vanilla extract
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6 Tbsp. powdered sugar, sifted
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4 ounces raspberries
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Edible flowers (for garnish; optional)