The present invention relates to an automatic viscosity control system and method for food products dispensed from frozen beverage and soft-serve ice cream equipment. A mixing cylinder includes an auger interconnected with an auger motor. A refrigeration system chills the food product in the mixing cylinder to a predetermined frozen malleable consistency. A motor sensor measures amperage draw or torque of the auger motor resultant from resistance of rotating the auger through the food product. By transitioning between starting or speeding up a compressor when the amperage draw or the torque of the auger motor is below a predetermined high motor performance setting, and slowing or stopping the compressor when the amperage draw or the torque of the auger motor is between a predetermined low motor performance setting and the predetermined high motor performance setting the viscosity of the food product is automatically controlled.

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