Mazarin Salad

Boil in salted water two heads of celery knobs; let them get cold, then cut them up into fine slices, and with an inch diameter column tube (Fig. 168) remove all that it is possible to obtain, then range the pieces in a salad bowl. Cut the white ends of two celery stalks into pieces one and a half inches long, wash them well, and split them finely lengthwise; lay them in cold water for half an hour. Drain them off, and add to them the celery knob in the salad bowl, also eight ounces of cooked truffles cut into pieces the same size as the knobs. Season with salt, pepper, oil and vinegar, and mix well by tossing them in the bowl in such a way as not to break the truffles. Pound four hard-boiled egg-yolks, rub them through a sieve, add to them a tablespoonful of mustard, half a pint of oil and a little vinegar; mix this in with the celery and truffles; range it in the bowl for the table, and sprinkle over some chopped chervil, chives and tarragon.