This one is from a package of Wilton Cookie Cutters. It's easy to work with, very tasty:

Preheat oven to 400. In a large bowl cream butter and sugar with electric mixer. Beat in egg and vanilla. Add baking powder and flour one cup at a time, mixing after each addition. The dough will be very stiff

blend last flour in by hand. Do not chill dough. Divide dough into 2 balls, On a floured surface, roll each ball in a circle approx. 12" in diameter and 1/8" thick. Use cutters as guide; the dough should be only slightly thinner than cutter. Bake cookies on ungreased cookie sheet on top rack of oven for 6 to 7 minutes, or till cookies are lightly browned.