Choose a round abalone mushroom with a white surface, remove the stem, and cut in half horizontally (two round pieces). Cook in boiling water for 20 seconds and soak in cold water.
Cut broccoli into small bunches, and scald with boiling water for 20 seconds. Plunge into cold water, then squeeze dry. Stir-fry in 2 tablespoons oil, add 1 cup soup stock, and seaso