Mix together the dry ingredients. Cut in the shortening. Add water, a little at a time & mix thoroughly. Using more flour if necessary, knead dough lightly until it is well mixed & not sticky. Roll dough with rolling pin to 1/2" thickness & cut with a cookie cutter. Place on cookie sheet & bake at 400F for 10 minutes.
Variation, add 1/2 c currants before adding the water.