I like mushroom sauce with a nice piece of steak, but you'd need a lot of steak to use this mushroom. This 45lb (20kg), 28in (70cm) tall mushroom was found in Mexico's southernmost state of Chiapas.
From: http://www.news.com.au/story/0,23599,22054784-13762,00.html
A MORE than 20kg mushroom has been picked in a forest in Mexico's southernmost state of Chiapas, university officials said today.
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The white mushroom, macrocybe titans, measured a towering 70cm tall, was found near Tapachula, near the Guatemalan border, according to the Southern Border University Centre.
Macrocybe Titans Mushroom (Source: AP)