Sweet and Spicy Sweet Potato Soup
Ingredients:
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3 tablespoons olive oil
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4 shallots, sliced
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1 pound tart apples, cored and cut into 1/4-inch pieces
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2 tablespoons grated fresh ginger
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1 lime, zested and juiced
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¼ teaspoon red pepper flakes, or more to taste
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¼ teaspoon ground cayenne pepper, or more to taste
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2 quarts chicken broth
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2 (15 ounce) cans sweet potatoes, drained
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½ teaspoon salt, or to taste
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1 lime, cut into wedges