Irish Flag Cookies

1 cup butter

1 ½ cups confectioners sugar

1 egg

1 teaspoon vanilla extract

2 ½ cups all-purpose flour

1 teaspoon baking soda

1 teaspoon cream of tartar

In a large bowl, cream together butter and confectioners sugar. Beat in egg and vanilla extract. Mix well.

In a medium sized bowl, stir together the flour, baking soda and cream of tartar. Blend into the butter mixture. Divide dough into thirds and shape into balls.

Working with 1/3 of the dough at a time, roll out dough to 1/4 inch thick on a floured surface. With a knife, cut dough into rectangles about 2 inches high by 3 inches long. (6 x 8 cm).

Place rectangles on an ungreased cookie sheet, 2 inches apart. Bake in a preheated 350 degree F (175 degrees C) oven until lightly browned. Cool completely on wire rack.