
A truly flaky pie crust without wheat flour is one of those things home bakers often assume is out of reach — but this recipe proves otherwise. The combination of white rice flour, tapioca starch, and potato starch creates a tender, layered base that holds together beautifully and bakes up with that satisfying snap and crumble you want in a proper crust. Xanthan gum steps in to provide the structure that gluten would normally handle, while frozen butter and a splash of apple cider vinegar keep everything light and flaky rather than dense or gummy. The technique matters here: keeping the butter cold, working quickly, and rolling the dough between parchment sheets makes the whole process surprisingly manageable even if you've had bad luck with alternative flour crusts before. A full hour in the fridge lets the dough firm up so it rolls out cleanly without tearing or sticking. Whether you're filling it with fruit, custard, or a savory mixture, this crust delivers a result that genuinely competes with any traditional version — and every single ingredient in it is naturally free of caffeine, so there's nothing to second-guess before you dig in.
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Whisk together the white rice flour, tapioca starch, potato starch, xanthan gum, sugar, and salt in a large mixing bowl until evenly combined.
Add the frozen butter cubes to the flour mixture and cut them in with a pastry cutter or fork until the mixture resembles coarse crumbs with some pea-sized butter pieces still visible throughout.
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