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4 tablespoon unsalted butter |
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3 medium white onions, 2 cut into thin slices and 1 finely chopped |
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½ teaspoon ground allspice |
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½ teaspoon ground cinnamon |
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1 ½ teaspoon salt, approximately |
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6 tablespoons fresh orange juice |
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¾ cups pistachios, toasted and chopped |