Wikipedia
Beaten biscuit
Beaten biscuits are a Southern food from the United States, dating from the 19th century. They differ from regular American soft-dough biscuits in that they are more like hardtack. In New England they are called "sea biscuits", as they were staples aboard whaling ships.
Usage examples of "beaten biscuit".
He held a saw in his left hand, the blade sprung a little by pressure of his hand, and he was in the act of striking the blade with the worn wooden mallet with which she had been making beaten biscuit for more than thirty years.
Every year she sent forth battalions of cakes, pies, sweet pickles, beaten biscuit, crocheted doilies, and crazy-quilts to capture the blue ribbon.