One of my favourite desserts is the melting moment biscuit (cookie). They just melt in your mouth and are absolutely delicious.
I found this recipe in the book Indulge: Gluten-Free Food Gets A Makeover by Rowie Dillon.
The secret to a melting moment is the icing sugar ingredient.
Recipe and image from the book
Indulge: Gluten Free Food Gets A Makeover. 100 Sweet and Savoury Recipes