Frozen Wild Porcini Mushrooms. Porcini mushrooms have a strong nutty, sweet, earthy, and meaty taste. In the Bolete family, the porcini is one of the stars. Although most commonly thought of in Italian cuisine -- the porcini is wonderful in any preparation where a nutty, rounded mushroom flavour is desired. Try porcinis with sage, rosemary, basil, marjoram -- they can be substituted in a recipe for any mushroom.