
Sweet potatoes hit differently when they're sliced paper-thin and roasted until the edges go golden and a little caramelized. The coating here is a simple whisked-together mix of coconut oil, pure maple syrup, fresh sage, ground ginger, and turmeric — nothing processed, nothing hidden, just real pantry staples that happen to be completely free of stimulants. That touch of maple syrup is what makes these so addictive, though it also means you'll want to keep a close eye on the oven in those final minutes before the edges get too dark. Getting the slices uniformly thin is the real secret to a crisp chip, so a mandoline is your best friend here, and patting the rounds thoroughly dry before tossing them in the coating makes a noticeable difference. Once they come out of the oven, patience pays off — letting them rest on a wire rack for a few minutes is what takes them from soft to genuinely snappy. A pinch of flaky sea salt at the end pulls the sweet and savory flavors into focus. These are the kind of snack that disappears fast, so consider making a double batch.
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Preheat the oven to 375°F (190°C). Line two large baking sheets with parchment paper and set a wire cooling rack over one of them if you have one.
Using a mandoline set to 1/16-inch thickness, or a sharp knife, slice the sweet potatoes into rounds as uniformly thin as possible. Pat the slices dry with paper towels — the drier the slices, the crisper the chips.
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