FIG. 1 is a perspective view taken from a top, front, left side of a cooking unit, according to a first embodiment of our new design;
FIG. 2 is a perspective view taken from a top, front, right side thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a perspective view taken from a top, front, left side of a cooking unit, according to a second embodiment of our new design, in which the cooking unit comprises three cooking subassemblies of FIGS. 1 to 8;
FIG. 10 is a front elevation view thereof;
FIG. 11 is a rear elevation view thereof;
FIG. 12 is a left side elevation view thereof;
FIG. 13 is a right side elevation view thereof;
FIG. 14 is a top plan view thereof; and,
FIG. 15 is a bottom plan view thereof.
The design consists of the visual features of the portions of the cooking unit shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or a combination of any of these features. Throughout the Figures, where shown: (i) the dotted lines showing additional structure of the cooking unit are for illustrative purposes only and form no part of the claimed design; (ii) the unshaded surfaces do not form part of the claimed design; and, (iii) the dotted/dashed lines illustrate unclaimed boundaries of surfaces claimed as part of the design. Portions of the cooking unit not shown in the Figures and not otherwise described in this Specification do not form part of the claimed design.