Wafer

Boyd’s Bible Dictionary:

(waffle). Among Hebrews a thin cake of fine flour used in offerings. The flour was wheaten and the wafers were unleavened and anointed with oil ({vi 1979;2339;2360}Ex. 16:31; 29:2,23; {vi 2767;2892;2944}Lev. 2:4; 7:12; 8:26; {vi 3839;3843}Num. 6:15,19).