INGREDIENTS
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3 cups (450g, 15oz) cake flour*, sifted
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2 cups (400g, 16oz) granulated sugar
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4 teaspoons baking powder
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1/2 teaspoon salt
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5 large egg whites, at room temperature
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1 whole egg, at room temperature
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1 cup (6oz, 170g) whole milk or full fat buttermilk
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2-1/4 teaspoons pure vanilla extract
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3/4 cup (170g, 6oz) unsalted butter, cold
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Vanilla Buttercream Frosting (Master Recipe Here)