Clam Stuffed Mushrooms
["24 large, fresh mushrooms", "1/2 c. melted butter", "3 Tbsp. green onion", "1/4 tsp. salt", "1/8 tsp. pepper", "1 (8 oz.) can minced clams, drained", "1 Tbsp. chopped parsley", "1/8 tsp. garlic powder", "3/4 c. mayonnaise", "1/2 tsp. prepared mustard"]
["Clean mushrooms and saute chopped stems in butter for 10 minutes.", "Add minced clams, parsley, salt, pepper and garlic powder and saute 5 minutes.", "Stuff caps; place in greased baking dish and chill.", "Combine mayonnaise and mustard and top each cap. Bake at 350\u00b0 for 10 to 15 minutes."]
["fresh mushrooms", "butter", "green onion", "salt", "pepper", "parsley", "garlic powder", "mayonnaise", "mustard"]