portabella

Apparently it's also called portabella; either way, the origin is unknown—and the word itself is still unknown to the OED.

languagehat.com: PORTOBELLO. 2004

The categories are: Happily Veggie After - a recipe that uses mushrooms as a substitute for meat, such as portabella burger; Mushroom Main Event - a recipe using mushrooms as an important part of a main dish or a dinner recipe; Inspiring Appetizers - your best appetizer recipe using mushroom varieties such as shiitake; and Fun Fungi - a recipe using mushrooms in an unusual way, like mushroom ice cream.

News/local from www.chieftain.com 2009

Aaron had a chicken and portabella mushroom pasta in cream sauceentree, and while the sauce was divine, the chicken was stringy.

Waking Up in Stillwater « Biodork 2010

There is no standard size for large portabella mushroom caps - packages usually contain 2 or 3.

Laura Kumin: Vegetarian Stuffed Mushrooms Laura Kumin 2012

Cut meat into bite size chunks, add a slice of portabella mushroom, and wrap with a piece of bacon using toothpicks to hold everything together.

Is there a good goose reipe? 2009

He said, "There is definitely a new interest in the brown mushroom family -- portabella, cremini and shitaki."

Nancy Davis: The "Gift of Giving" Nancy Davis 2011

Wrap bacon around each chunk and a piece of portabella mushroom and hold together with a couple of toothpicks.

how to cook duck 2009

There is no standard size for large portabella mushroom caps - packages usually contain 2 or 3.

Laura Kumin: Vegetarian Stuffed Mushrooms Laura Kumin 2012

Wrap bacon around each chunk and a piece of portabella mushroom and hold together with a couple of toothpicks.

how to cook duck 2009

There is no standard size for large portabella mushroom caps - packages usually contain 2 or 3.

Laura Kumin: Vegetarian Stuffed Mushrooms Laura Kumin 2012