Preheat oven to 375 degrees.

Cream together the butter and maple syrup until pale and fluffy.

Then add flour, sugar, cornstarch and sugar. Whip for 1 minute on low in a mixer. Increase the speed to medium-high for 2 minutes.

Roll out dough on a lightly floured surface until it's ¼ inch thick.

Cut cookies into small squares.

Bake on a parchment lined baking sheet for 12-14 minutes or until edges are a golden brown and transfer to a cooling rack to cool completely.