Cut six "hard-boiled" eggs in halves lengthwise and remove yolks. Mix one-third cup cold cooked chicken finely chopped, two tablespoons cold cooked ham finely chopped, two tablespoons chopped raw mushroom caps, one-half tablespoon chopped truffles, and yolks of four of the eggs rubbed through a sieve. Moisten with Spanish Sauce and refill whites with mixture. Mask eggs with Spanish Sauce, garnish with truffles, cut in fancy shapes, and brush over with aspic. Arrange on serving dish and garnish with cress.
Spanish Sauce. Cook one and one-half cups canned tomatoes fifteen minutes with one-fourth onion, sprig of parsley, bit of bay leaf, six cloves, one-third teaspoon salt, one fourth teaspoon paprika, and a few grains cayenne; then rub through a sieve. Beat yolks three eggs slightly, and add, gradually, three tablespoons olive oil. Combine mixtures and cook over hot water, stirring constantly. Add one tablespoon granulated gelatine soaked in three-fourths tablespoon each tarragon vinegar and cold water. Strain, and cool.