Melt In Your Mouth Luscious Lemon Shortbread Cookies Recipe

These melt in your mouth lemon shortbread cookies are absolutely heavenly and so easy to make with only 5 ingredients!
You can easily double the recipe if required ;)
I N G R E D I E N T S :
170g butter
45g icing sugar
2 medium lemons (for the zest, and half lemon for the juice)
200g plain flour
2 tbsp granulated sugar (for coating the dough)