An even easier one: The 6 hour quilt by Kaye Wood.
I have made the crib size for every woman at work who's had a baby. Easy and fun, though it takes me a little more than 6 hours! I use the leftover fabric to make burp cloths using a towel from the dollar store on one side, fabric on the other, and bind with the leftover binding from the quilt because I always make too much binding.