The ornamental design for apron kitchen towel, as shown and described.
FIG. 1 is a top perspective view of an apron kitchen towel in accordance with the new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a front side view thereof;
FIG. 6 is a back side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof; and,
FIG. 9 is a top perspective view thereof in an extended position.
The broken lines shown in FIGS. 1, 7, and 9 are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.