Mix dry ingredients in your largest mixing bowl. Cut in shortening until mealy. Add beaten egg, milk, and raisins; mix until all ingredients are moistened and dough holds together. Dough will be very stiff.
Preheat pancake griddle to 350 degrees F. A few drops of water should dance on the surface when hot enough.
Roll out dough on floured board to ¼” thick. Cut with pizza wheel, scissors, or 2” cookie cutter.
Lightly oil hot griddle. Place cookies on it without crowding. As the bottoms brown, the tops become puffy. Then turn with spatula and brown on the other side.