Mississippi Mud Cake
["1/2 c. butter", "1 c. sugar", "1/4 c. cocoa", "2/3 c. self-rising flour", "2 eggs", "1 tsp. vanilla", "3/4 c. nuts"]
["Mix together and bake at 350\u00b0 in an 8 x 12-inch pan (2-quart size) for 30 minutes.", "Spread 1 1/2 cups small marshmallows over warm cake until they melt.", "Pour chocolate sauce over and let stand 2 hours."]
["butter", "sugar", "cocoa", "flour", "eggs", "vanilla", "nuts"]