Meat-Offerings of Jealousy, Without Oil or Incense
Source: TTT
Numbers 5:15
then he is to bring his wife to the priest. He must also bring for her an offering of a tenth of an ephah of barley flour. He is not to pour oil over it or put frankincense on it, because it is a grain offering for jealousy, an offering of memorial as a reminder of iniquity.