Ripplebark

Ripplebark was a large subterranean fungus that grew in the Underdark. It grew in shelf-like formations that resembled masses of decaying flesh. Despite its looks, it was quite edible in its raw state and could be roasted to improve the flavor. A single, large shelf of ripplebark could be harvested for 5 to 10 pounds (2.3 to 4.5 kilograms) of food.