"Philly" Stuffed Mushrooms
["2 lb. medium mushrooms", "6 Tbsp. margarine", "1 (8 oz.) cream cheese, softened", "1/2 c. (2 oz.) crumbled Blue cheese", "2 Tbsp. chopped onion"]
["Remove mushroom stems.", "Chop enough stems to measure 1/2 cup. Cook half of mushroom caps in 3 tablespoons of margarine over medium heat for 5 minutes.", "Drain.", "Repeat with remaining mushroom caps and margarine."]
["mushrooms", "margarine", "cream cheese", "cheese", "onion"]