The ornamental design for a cookwarelid handle with flattened rounded grip, as shown and described.
FIG. 1 is a perspective view from above of the “cookware lid handle with flattened rounded grip”, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevation view thereof;
FIG. 4 is a front elevation view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken lines in FIGS. 1, 2, 3 and 5, are for illustrative purposes only, depicting the environment of the new design, forming no part thereof as claimed.