I have books from the library that use jelly rolls. There's no reason you can't cut the FQs in 2 1/2" strips. Most of the patterns cut up the strips, anyhow.
Kimberly Einma: Jelly Roll Quilts and More
Pam and Nickt Lintott: Two More From One Jelly Roll Quilts
M"Liss Rae Hawley: Fat Quarter Quilts (I really like this one.)