The ornamental design for an “extending cookware handle,” as shown and described.
FIG. 1 is a perspective view of the “extending cookware handle” showing my new design;
FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image thereof.
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevation thereof; and,
FIG. 6 is a back elevation view thereof.
The broken lines in FIGS. 1, 5 and 6 are for illustrative purposes only, depicting the environment of the new design, forming no part thereof as claimed.