Sift cinnamon and flour together, set aside.

In a large bowl beat margarine and brown sugar together until light and fluffy.

Gradually add in flour and cinnamon mixture and until mixture leaves sides of the bowl, forming a smooth dough.

Divide dough into two and shape into a log. Wrap in a rubber and refrigerate for two hours or overnight.

Preheat an oven to 190C.

Using a sharp knife, cut dough logs into about ¼ inch slices.

Place on a prepared baking pan and bake for 10-15 minutes.

Sprinkle with cinnamon and let it rest on pan for about 5 minutes and transfer to cooling rack to cool completely.