Portobello Burgers with Pear-Walnut Mayonnaise
A big, juicy grilled mushroom with a nutty pear mayonnaise and creamy blue cheese makes for an outstanding veggie burger. "Absolutely delicious!" said the judges, awarding Lindsay's recipe Grand Prize in the Mushroom Council's Mushrooms Every Day, Every Way contest.—Lindsay Sprunk, Brentwood, Tennessee
Total TimePrep: 30 min. + marinating Grill: 10 min.