The ornamental design for a cookingcontainer, as shown and described.
FIG. 1 is an exploded front perspective view of a cooking container, showing the present design.
FIG. 2 is a sectional view taken along line 2-2 of FIG. 7.
FIG. 3 is a front perspective view of the present design.
FIG. 4 is a front view of the present design.
FIG. 5 is a left-side view of the present design.
FIG. 6 is a rear view of the present design; and,
FIG. 7 is a top view of the present design.
The evenly spaced dash-dash broken lines in the FIG. 2 drawing view depict portions of the container that form no part of the claimed design. The dash-dot broken lines in the FIG. 2 drawing view define the bounds of the claimed design and form no part thereof.