Stir sugar, water and corn syrup together in a bowl and add desired food coloring. I used yellow in this case but you can split up the glaze and use different colours. It dries up quite easily and is very easy to work with.
1) Cut out cookies using the template and bake them. Allow to cool completed before glazing. Ensure the cookies aren't too thick - it should be 1/4 inch thickness when you roll them out.