I claim the ornamental design for a food container, as shown and described.
FIG. 1 is a perspective view of a food container in accordance with a first embodiment of my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof, with the right and left side elevation views, front elevation view, and rear elevation view being identical thereto;
FIG. 4 is a cross-section view taken along line 4-4 of FIG. 1;
FIG. 5 is a perspective view of a food container in accordance with a second embodiment of my new design;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof, with the right and left side elevation views, the front elevation view, and rear elevation view thereof being identical thereto; and,
FIG. 8 is a cross-section view taken along line 8-8 of FIG. 5.