Black truffle oil is usually used at the top of the cooking as a finishing oil. The ratio of oils will depend upon private preference, but sometimes 1/four cup of olive oil and a couple of tablespoons of black truffle oil work effectively together. Ingredients: Extra virgin olive oil, truffle aroma (tuber magnatum pico). All that is combined with the bitter cream, oil, lemon juice, salt and pepper and arranged on the head lettuce leaves, strewn with parsley and garnished with olives. Building off the heritage of Crème Ancienne, which was impressed by the world’s first cream, our quest for treasured substances led us to Alba, Italy, to unearth our exclusive white truffle. The one difference between the nicely-recognized White Button and Cremini Mushrooms is the age. Mushrooms are adaptable, readily obtainable, and may be ready in varied ways.