Those biscuits were actually hardtack, those extremely hard crackerlike discs that were baked to oblivion so they'd last on ...

Theory number three: ‘Frisco biscuits were a form of hardtack. Since sourdough wouldn’t have been a good long-term provision and there was no evidence for the cookie theory, hardtack seemed like the ...

Included in the World War One section are hard tack biscuits, which were made from flour, water and a small amount of salt, and were baked until they were very tough. "If you tried to eat them ...