White Truffle Flour If you love the flavor of white truffles, you will love this White Truffle Flour. A wonderful way to flavor soups or roux. Add a pinch to thicken sauces, or to flavor pasta or focaccia dough. Ideal for gnocchi, scallops, stews, and even mashed potatoes. Sprinkle a little over your tomato pasta sauce, or on tomatoes as bruschetta topping.