FIG. 1 is a top, front perspective view of a food container showing my new design. FIG. 2 is a top plan view thereof. FIG. 3 is a front view thereof. FIG. 4 is a rear view thereof. FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; and, FIG. 7 is a bottom plan view thereof. The broken lines represent portions of the food container that form no part of the claim.