The ornamental design for a cookware handle, as shown and described.
FIG. 1 is a right side perspective view showing my new design of a handle for cookware;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof, the left side being a mirror image thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a right side perspective view showing my new design of the handle on cookware.
The broken line showing immediately adjacent to the shaded area represents an unclaimed boundary of the design. The remaining broken line showing, including the broken line showing of cookware in FIG. 6, is for illustrative purposes only and forms no part of the claimed design. The different shading techniques used in the figures depict a contrast of appearance only and do not represent a particular color, material, or texture.