c("Melt butter and cocoa together.", "Stir in sugar and beaten eggs .", "Mix well.", "Add flour, salt chopped nuts and vanilla;  mix well.", "Spoon batter into a greased 13x9x2 inch pan.", "Bake at 350 degrees Fahrenheit for 35 to 45 minutes.", "Sprinkle marshmallows on top of warm cake.", "Cover with chocolate frosting (your favorite).")