Exodus 16:13-14 (New International Version, ©2010)

 13 That evening quail came and covered the camp, and in the morning there was a layer of dew around the camp. 14 When the dew was gone, thin flakes like frost on the ground appeared on the desert floor.



From BibleGateway.com: http://www.biblegateway.com/passage/?search=Exodus 16:13-14&version=NIV1984