The black truffle grows underground, usually at a depth of 5-15 cm. Other than the coloration, what is the distinction between black and white truffles? When the king of truffle is around White truffle season is on! Season evenly with salt. Ingredients.-4 exhausting-boiled eggs, ½ a pint of white sauce (see Sauces), fried or toasted croûtons of bread, finely...