The ornamental design for a handle for cookingutensil, as shown and described.
FIG. 1 is a front perspective view of a handle for cooking utensil showing my new design;
FIG. 2 is a left side elevational view of which the right side elevational view is a mirror image thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof; and,
FIG. 6 is a rear view thereof.
The broken line showing of a spatula in FIG. 1 and partially in FIGS. 2-4 are included for the purpose of illustrating the unclaimed portions of the article and form no part of the claimed design.