A pasteurization device comprising an insulated heating tub, a metal grid heat sink, 69° C. melt-point paraffin wax, wherein the metal grid heat sink and the paraffin wax are combined inside the insulated heating tub; a temperature sensor connected to a microprocessor controlled device, suitable to measure temperature and to generate an alarm, a top plate, and a material suitable to cover the wax; wherein the top plate comprises a plurality of openings corresponding to an opening in the metal grid heat sink of suitable size to accept a baby bottle; wherein the insulated heating tub can be heated to at least 73° C. and wherein the microprocessor controlled device provides an audible tone upon the temperature sensor reading 73° C. for at least 30 seconds.