Winter White Truffle Butter from France. This rich butter readily absorbs the aroma of the fragrant truffles, making this butter intensely flavorful. This is a superb way to introduce truffles in your cooking and your kitchen, before taking the next step to whole truffles. Toss in hot pastas, add it to hot pan juices for an easy and flavorful sauce. Best if used right before serving to preserve full aroma. Use within 1 week after opening.