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1.2 lb (500 g) sweet potato, peeled and cubed |
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1 tablespoon white vinegar |
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2 teaspoons fresh ginger, finely chopped |
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1 teaspoon garlic, minced |
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2 teaspoons fresh yellow aji, seeded and deveined, finely chopped |
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2 tablespoons peanut oil (vegetable oil may be used) |
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¼ teaspoon sesame oil (optional) |