"The Good News Sweet potatoes are a great source of beta-carotene, essential for vision. The soup uses only one cup of the ginger broth; the rest makes a terrific cooking liquid for grains like quinoa. Best Vegetable Soups ..."
INGREDIENTS
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1 quart water
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1 small onion, coarsely chopped
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2 garlic cloves, coarsely chopped
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1 tablespoon coarsely chopped peeled fresh ginger
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1 stalk of fresh lemongrass, thinly sliced crosswise
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One 1/2-pound sweet potato, peeled and cut into 2-inch cubes
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1/2 teaspoon sambal oelek or other Asian hot sauce
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Salt
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1/2 tablespoon chopped cilantro
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Lime wedge, for serving