These are gluten free and lovely. You can find recipes for them in Najmieh Batmanglij’s Joon and Food of Life, and there are online recipes here and here.
I was supposed to garnish with pistachios, but those are buried deep in the freezer and I thought I’d just try the cookies out for texture. They are, as it says in the recipe, very crumbly. Very much like shortbread. If you ever want to make a gluten free shortbread, this is your recipe.