One pound sugar boiled slowly in half pint water, scum well and cool, add two tea spoons pearl ash dissolved in milk, then two and half pounds flour, rub in 4 ounces butter, and two large spoons of finely powdered coriander seed, wet with above; make roles half an inch thick and cut to the shape you please; bake fifteen or twenty minutes in a slack oven--good three weeks.
Source:
American Cookery