Hi Lisa, you're welcome to use that substitution in recipes that call for potato flour (use 2x the amount of potato flour called for when measuring your flakes by volume). You'll get very similar results as the original recipe if you use plain, unseasoned instant mashed potato flakes. You may have to adjust the amount of water or flour in the dough slightly, but that's typical of most yeast doughs. It's a great option! Kye@KAF

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