) Cooking and/or drying can take out the risky Gyromitrin poison, consequently people have eaten these mushrooms For several years with no ill effects. BUT... cooking Gyromitra esculenta (pictured at reduced suitable) can release plenty of toxin in the air that simply just sampling the aroma of the sauté pan https://paxtonjwchk.ampedpages.com/what-does-an-edible-mushroom-with-a-pitted-cap-mean-58639755