
Sweet potato chips from a bag often come with a long ingredient list and the nagging question of what else was processed on that line. This homemade version keeps things refreshingly simple — just thinly sliced sweet potato, coconut oil, and a warm spice blend of turmeric and ginger that turns every chip into something genuinely craveable. The mandoline trick is the real secret here, because uniform slices mean even baking and that satisfying crunch you want from a chip. Turmeric gives each round a gorgeous golden hue, while ginger adds a gentle warmth that makes the natural sweetness of the potato pop. A final drizzle of fresh lemon juice right before serving is optional but highly recommended — it brightens the whole thing up. These crisp beautifully as they cool on the pan, so resist the urge to eat them straight from the oven and you'll be rewarded. They're the kind of snack that disappears fast, so you might want to double the batch.
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Preheat the oven to 375°F (190°C). Line two large rimmed baking sheets with parchment paper.
Using a mandoline or a sharp knife, slice the sweet potatoes into rounds 1/16 to 1/8 inch thick — as uniform as possible so they bake evenly.
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