Numbers 15:4

15:4 then the one who presents his offering to the Lord must bring a grain offering of one-tenth of an ephah of finely ground flour mixed with one fourth of a hin of olive oil.

Numbers 28:13

28:13 and one-tenth of an ephah of finely ground flour mixed with olive oil as a grain offering for each lamb, as a burnt offering for a pleasing aroma, an offering made by fire to the Lord.