The ornamental design for a cookware handle, as shown and described.
FIG. 1 is a perspective view of a pair of a new cookware handle design;
FIG. 2 is a side view thereof;
FIG. 3 is a front view of the new cookware handle design;
FIG. 4 is a top view of a pair of the new cookware handle design;
FIG. 5 is an enlarged perspective view of the new cookware handle design;
FIG. 6 is an enlarged side view of the new cookware handle design;
FIG. 7 is an enlarged front view of the new cookware handle design; and,
FIG. 8 is an enlarged back elevation view of the new cookware handle design.
The broken lines showing cookware in FIGS. 1-4 represents an exemplary environment in which the article resides. All other broken lines are for the purpose of illustrating portions of the cookware handle that form no part of the claimed design. None of the broken lines form a part of the claim.