FIG. 1 is a perspective view of a appliance for preparing food, showing my new design from the front, top and right side; FIG. 2 is a perspective view thereof, from the front, bottom and right side; FIG. 3 is a left side elevational view thereof; FIG. 4 is a right side elevational view thereof; FIG. 5 is a front elevational view thereof; FIG. 6 is a rear elevational view thereof; and, FIG. 7 is a top plan view thereof.