Preparation and cooking appliance

FIG. 1 is a perspective view of the preparation and cooking appliance of the new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The claimed portions of the preparation and cooking appliance are shaded. FIGS. 1-5 and 7 show features of the preparation and cooking appliance in broken lines. These features are shown for environmental purposes and do not form any part of the claimed design. Further, the broken lines immediately adjacent the solid-line portions of the design form the boundary of the design, with the broken lines forming no part of the claimed design.