Flour @ Grain reduced to the form of meal is spoken of in the time of Abraham Genesis:18:6). As baking was a daily necessity, grain was also ground daily at the mills Jeremiah:25:10). The flour mingled with water was kneaded in kneading-troughs, and sometimes leaven Exodus:12:34) was added and sometimes omitted Genesis:19:3). The dough was then formed into thin cakes nine or ten inches in diameter and baked in the oven. Fine flour was offered by the poor as a sin-offering Leviticus:5:11-13), and also in connection with other sacrifices Numbers:15:3-12Numbers:28:7-29).