3 c. flour (scant)
1 c. shortening
1 tsp. baking soda
2 tsp. cream of tartar
2 eggs
1 c. sugar
1 tsp. vanilla
1/2 tsp. salt

Mix flour, shortening, soda and cream of tartar as you would for pie crust. Beat eggs and add sugar, vanilla, salt and then add this mixture to flour mixture. It will be soft, but stiffens on standing overnight or at least 3 hours. Roll out 1/8" thick and cut with cookie cutter. Place on slightly greased pan and bake at 400 degrees for 10 minutes.