Sugared Shortbread Recipe

"In 2012, The Times invited readers to submit their favorite cookie recipes Amy Casey of Sparta, N.J., submitted this unusual recipe for shortbread that calls for melted butter and a little bit of rice flour (which is now relatively easy to find since it’s a popular gluten-free flour) You can mix this recipe in a bowl with a wooden spoon in about three minutes, and the rice flour gives the shortbread a sandy, singular texture that’s accentuated by the coating of granulated sugar on the top and bottom..."