The ornamental design for meal assisting jig, as shown and described.
FIG. 1 is a front view of a meal assisting jig;
FIG. 2 is a back view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective back view thereof; and,
FIG. 8 is a view showing a meal assisting jig in use thereof.
The broken lines are for environmental purposes only and form no part of the claimed design. The design shown is not to be limited to any particular size and may be scaled larger or smaller.