There are different ways of preparing this. 1) a garnish of artichoke hearts, truffles, chervil and mushroom purée and potato balls for tournedos and noisettes. Alternatively, 2) a garnish of truffle slices, semolina croquettes stuffed with chopped mushrooms with sauce Nonnefoy.
A garnish of artichoke hearts stuffed with foie gras and mushrooms with demi-glace sauce, for tournedos and noisettes.