"The boxed version of this colorful cake was fine when we were kids, but for a truly celebration-worthy cake, we developed our own better-tasting version. After pulsing rainbow sprinkles in the food processor until they’re just the right size, we mix them into our favorite fluffy white layer… read more..."
INGREDIENTS
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3/4 cup rainbow sprinkles
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6 large egg whites, room temperature
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2/3 cup whole milk, room temperature
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2 teaspoons vanilla extract
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3 cups (12 ounces) cake flour
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1 1/2 cups (10 1/2 ounces) sugar
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4 teaspoons baking powder
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1 teaspoon salt
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16 tablespoons unsalted butter, cut into 16 pieces and softened
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4-6 drops yellow food coloring
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1 recipe Large-Batch Vanilla Frosting (see related content)