The ornamental design for a combined microwaveoven accessory and food container, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a combined microwave oven accessory and food container, showing our new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof, the back view being a mirror image thereof;
FIG. 7 is a perspective view of a second embodiment of a combined microwave oven accessory and food container according to the invention;
FIG. 8 is a top view thereof;
FIG. 9 is a bottom view thereof;
FIG. 10 is a front view thereof;
FIG. 11 is a right side view thereof, the back view being a mirror image thereof; and,
FIG. 12 is a left side view thereof.
The broken lines shown in the drawings depict portions of the combined microwave oven accessory and food container that form no part of the claimed design.