Cream together butter, sugar, cocoa and vanilla. Add 4 eggs to creamed mixture. Mix in 1 cup flour and 1 teaspoon salt.
Put in greased jelly roll pan. Bake at 350 degrees for 25-30 minutes.
Spread 13 ounces of marshmallows cream on hot brownies. Melt butterscotch chips, chocolate chips and peanut butter. Mix in Rice Krispies. Spread on top.