and lock into similarly positioned depressions 17 in a bowl coupler 18 in this manner the bowl may be temporarily locked into position when the bowl is rotated when not in use the bowl is easily disengaged from the bowl coupler the bowl coupler 18 is driven by a small fractional horsepower gear motor 19 having a shaft 20 with sprocket 21 that engages a toothed drive 22 the drive 22 in turn is linked to a sprocket not shown on the bowl coupler 18 in this manner rotational forces may be applied to the bowl the machine 10 is provided with a baffle 31 as of injection molded plastic material the baffle comprises a vertical sheet 32 and a top elongated horizontal member 33 of the same material integral therewith agitation of a melted chocolate pool is accomplished through the combined action of the stationary baffle 31 and the rotation of the bowl 13 the upper surface of the casing 11 is provided with a pair of baffle mounts 34 including upward projecting threaded studs 35 the studs are positioned to pass through openings in the ends of the horizontal member 33 the baffle is secured in place on the casing by tightening knobs 36 onto the studs 35 when so secured the baffle also serves to maintain the lateral position of the bowl by engaging the bowl rim a scraper 37 is secured to the leading edge of the baffle 31 and serves to scrape melted chocolate from the inner surface of the bowl into a molten pool of chocolate in front of the baffle a clip 38 is secured to the back side of the baffle at the point when.