
Sweet potato chips from a bag almost always come with a hidden catch — maltodextrin, mystery seasonings, or that telltale syrupy sweetness that signals unwanted additives. This homemade version keeps things refreshingly clean: just real sweet potatoes, coconut oil, fresh ginger, turmeric, sea salt, and scallion greens. The result is a snack that's genuinely crispy, warmly spiced, and completely free of the processed sweeteners that sneak into so many store-bought options. The technique here is what makes these chips work. Slicing the sweet potatoes paper-thin — ideally with a mandoline — and baking them low and slow on parchment-lined sheets pulls out the moisture gradually, giving you that satisfying crunch without any deep-frying. Coconut oil coats every slice beautifully and adds a subtle richness that plays off the bright, peppery bite of fresh ginger and the mild earthiness of turmeric. Scattering the scallion greens over the hot chips right out of the oven is a small move that makes a big difference, softening them just enough to cling to each chip without wilting. These are the kind of snack you set out in a bowl and watch disappear — bold enough to feel special, simple enough to make on a weeknight.
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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 about 1/16-inch (1.5 mm) thick — thin enough to see light through when held up.
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