Round rum cake butter cream frosting. round rum cake with butter cream frosting. Various prices: [(10 persons) 19.85, (15 persons) 22.85, (25 persons) 44.85]. rum cake with butter cream frosting. rum cake with butter cream frosting in the form of a sheet. (50 persons) 84.85, (75 persons) 129.85, (100 persons) 164.85