Patty, Leah Day has a great tutorial on this. I just did one a couple of months ago b/c I'm new to FMQ and didn't want to tackle a whole quilt so I did it block style. It turned out great, not my FMQ, but the sashing
The only problem I had was it involved a lot of hand sewing in the end. I tried a decorative stitch on the other side to avoid hand sewing but it didn't come out right. But that was my fault.
I would try it again.