Stuffed Mushrooms
["1 lb. large fresh mushrooms*", "6 Tbsp. butter", "1 c. chopped onions", "1 c. bread crumbs", "1 c. shredded Cheddar cheese", "1/2 c. chopped walnuts", "1/4 c. chopped parsley", "1/2 tsp. salt", "1/4 tsp. black pepper"]
["Rinse mushrooms and pat dry.", "Remove stems; chop and set aside.", "In large skillet, melt butter.", "Brush mushroom caps with melted butter; place on lightly buttered shallow baking pan.", "To remaining butter, add onions and mushroom stems.", "Saute 2 minutes. Add crumbs, cheese, nuts, parsley, salt and pepper; stir.", "Spoon into mushroom caps, piling high.", "Bake at 350\u00b0 until hot, about 20 minutes."]
["fresh mushrooms", "butter", "onions", "bread crumbs", "Cheddar cheese", "walnuts", "parsley", "salt", "black pepper"]