3. Preheat oven to 350F. Line a few baking sheets with parchment paper. Divide dough in half. Put half in the refrigerator. Roll the other half out to about 1/4-inch thick. Cut with cookie cutters and place as many as you can on a cooking sheet. It doesn't matter if cookies touch.
4. Bake for 35 to 40 minutes. Biscuits should be fairly hard when done. For extra-crispy biscuits leave in the cooling oven for an hour.