Garlic Mushrooms

"Al ajillo means frying some kind of vegetable, fish or meat in very hot oil flavored with garlic and perhaps chili peppers. Favorite al ajillo foods include shrimp (prawns), chicken and rabbit. The secret of preparing mushrooms in this way is to continue frying until the juice evaporates, producing a concentrated flavor and a golden color. Nowadays the mushrooms are usually broken with the fingers to preserve the texture and stop them from turning black. Previously they were cut into thin slices and lemon juice was sprinkled on and rubbed in by hand to keep the mushrooms white...."