Dissolve hartshorn in ¼ cup water and add to dough; blend. If needed, add enough of the remaining cup of flour to make a good dough. It will be soft. 3.

Hartshorn used to be widely available at corner drug stores but has become almost as scarce as an independent pharmacy. Locally, Olde Towne Spice Shoppe, 334 South Main Street in St. Charles ...