Cream shortening and sugar in an electric mixer.
Add eggs, one at a time, beating.
Add sour cream and vanilla.
Sift dry ingredients together and then slowly add to wet ingredients.
Refrigerate dough for at least 30 minutes.
After dough has been refrigerated, roll dough using rolling pin onto a floured surface. Cookies should be cut fairly thick, around 3/4 inch width.
Cut cookie dough with cookie cutters.
Bake at 350 degrees for 12-15 minutes (or shorter/longer as needed)