They are often mistaken for the edible delicacies in the Morchella genus (true morels). These are some of many poisonous mushrooms that contain the chemical monomethyl hydrazine (MMH). MMH causes vomiting, dizziness, diarrhea, and sometimes death. Furthermore, MMH is suspected to be carcinogenic.
What does a morel mushroom taste like?
Fry or cook morels whole, especially smaller, younger ones. It is difficult to describe the famous morel flavor. It is nutty, meaty, and unique whether cooked or dried. There is no substitute for butter to bring out its subtle but treasured character.