
Crispy, fragrant, and genuinely satisfying, these oven-baked sweet potato chips hit that perfect snack-food craving without a grain of rice or rice-derived ingredient in sight. Thin-sliced sweet potatoes get tossed in melted coconut oil with fresh rosemary, sea salt, and a whisper of ground ginger before going into a hot oven — the result is something that tastes far more indulgent than it has any right to. The mandoline technique is the real secret here: uniform slices mean every chip crisps evenly instead of leaving you with a mix of burnt edges and soggy centers. Coconut oil adds a subtle richness that pairs beautifully with the earthy rosemary, while the ginger gives the whole batch a gentle warmth you'll keep noticing bite after bite. Store-bought chip options can be a minefield of rice flour coatings and starch-based seasonings, so making your own puts you fully in control of every ingredient. Let them cool completely on the rack and you'll be rewarded with a shatteringly crisp chip that holds its own against anything from a bag.
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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 a second rack available.
Using a mandoline set to 1/16-inch thickness, or a very sharp knife, slice the sweet potatoes into rounds as uniformly thin as possible. Uniform thickness is the single most important factor for even crisping — thicker slices will stay chewy while thinner ones burn.
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