"This chiffon cake combines the sought-after qualities of an oil-based cake with the rich flavor of white chocolate, which is melted and added to the batter...."
INGREDIENTS
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4 ounces white chocolate, such as El Rey Icoa, divided
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2 ¼ cups sifted cake flour
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1⅔ cups sugar
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1 tablespoon baking powder
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1 teaspoon salt
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¾ cup whole milk, at room temperature
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½ cup flavorless oil, such as canola
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6 large eggs, separated and at room temperature
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2 teaspoons vanilla extract
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½ teaspoon cream of tartar