Flatten them with a rolling pin, or a meat beetle, and lay them in oiled butter.
"Directions for Cookery, in its Various Branches" by Eliza Leslie
This mixture, made into sheets, forms the beetle wafers sold at the oil shops.
"Enquire Within Upon Everything" by Anonymous
Take a great beetle; cut off his head and his wings, boil him, put him in oil, and lay him out.
"Peeps at Many Lands: Ancient Egypt" by James Baikie
Such forms as beetles and wasps can be quickly killed by dropping them into coal oil or a strong soap suds.
"An Elementary Study of Insects" by Leonard Haseman
At this time an Oil beetle was seen prowling about the holes.
"Our Common Insects" by Alpheus Spring Packard
The Oil-beetles, therefore, lacking the instinct of the Sitares, are endowed with incomparably greater fecundity.
"The Glow-Worm and Other Beetles" by Jean Henri Fabre