Black truffle oil is generally used at the tip of the cooking as a finishing oil. The ratio of oils will rely upon private preference, however usually 1/4 cup of olive oil and 2 tablespoons of black truffle oil work effectively together. Ingredients: Extra virgin olive oil, truffle aroma (tuber magnatum pico). All that is combined with the sour cream, oil, lemon juice, salt and pepper and organized on the top lettuce leaves, strewn with parsley and garnished with olives. Building off the heritage of Crème Ancienne, which was inspired by the world’s first cream, our quest for treasured ingredients led us to Alba, Italy, to unearth our exclusive white truffle. The one distinction between the nicely-known White Button and Cremini Mushrooms is the age. Mushrooms are adaptable, readily obtainable, and could also be prepared in numerous ways.