Mississippi Mud Pie
["2 sticks butter or margarine", "1/2 c. cocoa", "2 c. sugar", "4 eggs, slightly beaten", "1 1/2 c. plain flour", "pinch of salt", "1 1/2 c. nuts (optional)", "1 tsp. vanilla", "miniature marshmallows", "Chocolate Frosting"]
["Melt butter and cocoa together.", "Remove from heat and stir in sugar and beaten eggs; mix well.", "Spoon batter into a greased 13 x 9 x 2-inch pan and bake at 350\u00b0 for 30 to 45 minutes.", "Sprinkle marshmallows on warm cake and cover with Chocolate Frosting."]
["butter", "cocoa", "sugar", "eggs", "flour", "salt", "nuts", "vanilla", "marshmallows", "Chocolate Frosting"]