I agree with Jan, 2 rectangles seamed together with a hem at the top. If you have stash yarn to play with, give it a try. That could be a cute way to use up odds and ends and have a multicolor top.
Cheating is an option. . . . Cheaters never win and winners never cheat, but smart knitters who want to retain an iota of sanity do, cheerfully. ~~Kory Stamper