Mississippi Mud Cake
["1 c. butter", "1/2 c. unsweetened cocoa", "2 c. sugar", "1 1/2 c. flour", "1/4 tsp. salt", "4 eggs", "2 tsp. vanilla", "1 c. chopped nuts"]
["Melt butter and cocoa together in microwave for 2 minutes on High power.", "Stir all ingredients together with wire whip.", "Put in about a 9 x 13-inch casserole microwave dish.", "Cook on 50% power for 9 minutes; rotate at 4 minutes.", "Then cook on High power for 5 minutes.", "Put marshmallows over top and melt on top the last few seconds of cooking."]
["butter", "unsweetened cocoa", "sugar", "flour", "salt", "eggs", "vanilla", "nuts"]