"A small batch of rich and chewy double chocolate chip cookies filled with plenty of chocolate chips. So easy to make and ready in minutes!..."
INGREDIENTS
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4 tablespoons butter ((¼ cup), softened)
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3 tablespoons granulated sugar
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3 tablespoons brown sugar (, packed)
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1 large egg yolk
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½ teaspoon vanilla extract
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½ cup all-purpose flour
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2 tablespoons unsweetened cocoa powder
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¼ teaspoon baking soda
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⅓ cup semi-sweet chocolate chips