Grilled Mushrooms
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10-15 portobello mushrooms, cleaned with stems removed
olive oil
lemon juice
garlic salt

Brush mushrooms with olive oil on both sides. Drizzle lemon juice and 
sprinkle with garlic salt. Allow to marinate for 15-30 minutes. Place 
mushrooms on heated grill for 8-10 minutes, turning over once. Mushrooms 
are done when they have browned and heated through evenly.

From: About.com: Middle Eastern Food