Leviticus 24:7

“And thou shalt put pure frankincense upon [each] row, etc.] Two cups of frankincense, in each of which was an handful of it, and which were set by each row of the cakes, as Jarchi observes: that it may be on the bread for a memorial; or “for the bread”, instead of it, for a memorial of it; that being to be eaten by the priests, and this to be burned on the altar to the Lord, as follows: [even] an offering made by fire unto the Lord; not the bread that was after a time taken away, and eaten by the priests, but the frankincense.”

“The oil for the lamps of the tabernacle and the meal for the showbread were to be offerings from the Congregation, like the meal for the Pentecostal loaves, Leviticus 23:17. It appears that the responsibility of keeping up the lights rested on the high priest, but the actual service might be performed, on ordinary occasions, by the common priests. Compare margin reference. Leviticus 24:5 Each cake or loaf of unleavened bread Leviticus 2:11 was to contain about six pounds and a quarter (see Exodus 29:40 note) of fine flour. The material was the same, both in quality and in quantity, with that of each one of the wave-loaves of Pentecost Leviticus 23:17. In the service of the temple the…”

“Pure frankincense - Unmixed and uncorrupted, or of the best sort, to be burnt before the Lord. On the bread - And this was done every time that the bread was changed. For a memorial - For that part which properly belonged to God, whereas the rest belonged to the priests. Leviticus 24:8”

“24:7 Since a portion of this bread was to be burned as a representative offering (see 2:2), it would have been made without yeast (that is, unleavened; see 2:11).”

“pure: Lev 2:2; Eph 1:6; Heb 7:25; Rev 8:3, Rev 8:4 the bread: Joh 6:35, Joh 6:51 a memorial: Gen 9:16; Exo 12:14, Exo 13:9, Exo 17:14; Act 10:4, Act 10:31; Co1 11:23-25 Leviticus 24:8”