"Chocolate and vanilla provide a delightful contrast in their flavor and appearance. —Nancy Arevalo, Brookfield, Wisconsin..."
INGREDIENTS
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3/4 cup butter, softened
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3/4 cup sugar
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1 large egg yolk
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1/2 teaspoon vanilla extract
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1-3/4 cups all-purpose flour
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1-1/2 teaspoons baking powder
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1/2 teaspoon salt
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1 ounce semisweet chocolate, melted
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3 tablespoons whole milk, warmed