Firecake or Fire cake was a type of quick bread eaten by soldiers in the French and Indian and the American Revolutionary Wars.
They were made from a mixture of flour, water and salt and baked on a rock in the fire or in the ashes.
The firecake dough was made by mixing flour, water and salt, roughly in the proportions 2.3 parts flour to 1 part water, forming a thick damp dough.
[1][2] The dough was formed into thick flat cakes the size of a hand.
[1][2][3] Firecakes were used as a not very popular substitute when the commissary failed to issue bread to the soldiers.