Leviticus 24:5-9
5 The people must bake 12 loaves of bread. They must use the best flour. They must weigh the flour for each loaf. They must use two tenths (2/10) of an ephah (4 litres). 6 They must put the loaves on a table in two rows in front of the Lord. There must be six loaves in each row. 7 They must put incense near each row. They must burn the incense as a gift to the Lord instead of the bread. 8 They must put the bread on the table every Sabbath. It is a covenant between Israel's people and the Lord. 9 The bread is for Aaron and for his sons. They must eat it in a holy place. It is their holy part of the burnt offering to the Lord.’