The one other truffle butters that got here in close second are those produced by some of the more well-known truffleries. There are more than 30 forms of truffle, although not all of them are edible. Resulting from their rarity, fragile taste, and inability to be cultivated, it'll come as no shock that white truffles are considerably more expensive than black truffles. However, they're nonetheless fairly dear! However, in the Netherlands, the legislation solely mentions mushrooms. However, this oil is greatest used as a finishing oil. Truffle Oils are best used as finishing oils, because opposed to a cooking with them as heat will taint their delicate flavors.