Put cornstarch into a cup & slowly add quarter c of stock & mix well. Add wine, soy sauce & sesame oil. Mix again. Cut scallion into 4 cm lengths. Heat vegetable oil in a wok over medium heat. When hot, put in ginger & garlic. Stir & fry for 10 seconds. Put in scallion & broccoli. Fry for 1 minute. Add half c stock & the salt. Bring to a simmer. Cover & cook over a medium heat for a minute, till broccoli is tender crisp. Remove broccoli with a slotted spoon. Turn heat to low & add tofu. Let it heat through. Add cornstarch mixture. Stir very gently. Put broccoli back in wok. Serve as soon as the sauce is thick & everything is heated through. Madhur Jaffrey "World of the East Vegetarian Cookbook"