The term hardtack itself comes from the British slang “tack” for food. Literally meaning “hard food”, the name perfectly warns a person what to prepare for before eating it.
In the 15th and 16th centuries, the British Royal Navy began mass-producing hardtack to supply its sailors with their daily ration of a pound of hardtack.
1. Set oven to 375 degrees Fahrenheit.2. Slowly mix the flour into the water in a large mixing bowl.3. Transfer the dough to a flat, lightly floured surface.