1/2 c almond meal 3/4 c gluten - free flour blend 1/4 c sweet rice flour (white rice will work
as well) 1/4 c
cornstarch 1/4 tsp sea salt 1/2 tsp xanthan gum 1 1/2 sticks (3/4 cup) unsalted butter, softened 1 cup plus 2 tablespoons
organic white sugar 1 large egg 1 1/2 tablespoons freshly grated lemon zest (use a microplane for this)