The ornamental design for a cookingutensilinteriorbottom with pattern, as shown and described.
FIG. 1 is a top view of a cooking utensil interior bottom with pattern showing my new design in accordance with a first embodiment of the invention;
FIG. 2 is a perspective view thereof in its intended environment;
FIG. 3 is a top view of a cooking utensil interior bottom with pattern showing my new design in accordance with a second embodiment of the invention; and,
FIG. 4 is a perspective view thereof in its intended environment.
The broken line showings in FIGS. 2 and 4 of a cooking utensil are for the purpose of illustrating environmental structure and form no part of the claimed design.