Stuffed Mushrooms
["1 lb. large fresh mushrooms", "6 Tbsp. melted butter", "1/4 c. minced onion", "1/2 c. breadcrumbs", "1/2 c. toasted chopped walnuts", "3/4 tsp. salt", "1/8 tsp. pepper"]
["Remove stems, chop and set aside.", "Brush outside of caps with some of the butter; place caps in a buttered shallow 9-inch baking dish.", "Combine remaining butter, onion and chopped stems in a saucepan; saute 5 minutes.", "Stir in breadcrumbs, walnuts, salt and pepper.", "Stuff mushrooms with mixture and bake at 350\u00b0 for 20 minutes."]
["mushrooms", "butter", "onion", "breadcrumbs", "walnuts", "salt", "pepper"]