Massie is skeptical of the claim that "cheeseburger cannot exist outside of a highly developed, post-agrarian society":
This is superfically persuasive but upon a moment's reflection a nonsense. … [E]ven in Scotland it is possible to have onions, lettuce and tomato ready for picking at much the same time. Nor need you wait for winter to slaughter your cattle (and if you're making a lamb burger your spring lamb will be ready much earlier than that). Meanwhile, the flour you mill from your winter wheat will keep for months and, last I checked, making cheese and butter are not necessarily seasonal activities.
The Dish 