The ornamental design for a kitchenspatula, as shown and described.
FIG. 1 is a perspective view of a kitchen spatula showing our new design;
FIG. 2 is a side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines in FIG. 1 show a handle connected to the kitchen spatula, are for illustrative purposes only, and form no part of the claimed design. The handle has been omitted from FIGS. 2-6, which show only the claimed design.