Strong's #5692: `uggah (pronounced oog-gaw')
 from 5746; an ash-cake (as round):--cake (upon the hearth).
Brown-Driver-Briggs Hebrew Lexicon:
 ּ 
  ‛ûggâh 
 
 1) disc or cake (of bread)
 
 1a) cake of hot stones (cake baked on hot stones)
 
  Part of Speech: noun feminine
Relation: from H5746
Usage:
This word is used 7 times:
Genesis 18:6: "meal, knead it, and make  cakes upon the hearth."
Exodus 12:39: "And they baked unleavened  cakes of the dough which they brought forth out of Egypt,"
Numbers 11:8: "and baked it in pans, and made  cakes of it: and the taste of it was as the taste of fresh"
1 Kings 17:13: "make me thereof a little  cake first, and bring it unto me, and after"
1 Kings 19:6: "And he looked, and, behold,  there was a cake baked on the coals, and a cruse of water at his head. And he did eat"
Ezekiel 4:12: "And thou shalt eat it as barley  cakes, and thou shalt bake it with dung that cometh out of man,"
Hosea 7:8: "among the people; Ephraim is  a cake not turned."