Mushroom Guide: Edible Identification, Benefits & Cooking

Mushrooms are low-carb and high in antioxidants, offering unique health benefits across varieties like Shiitake and Portobello. Learn to identify edible mushrooms, master cooking with frozen or canned types, and find innovative recipes like Portobello buns.

Calories in a Large Portobello Mushroom

Published Jul,08 2011 | By Pam Murphy

Portobello mushrooms are one of 38,000 varieties of mushrooms, according to Oregon State University Extension. Although not all mushroom varieties are edible, portobellos are not only good to eat, they provide important nutrients.