INGREDIENTS
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4 cups water
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1 cup chopped lemon grass (about 2 stalks)
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1 cup raw sugar, evaporated cane juice, or white sugar
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1/4 cup lemon juice
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1/4 cup powdered cinchona bark, (1/8 cup for a less "barky" flavor)
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Zest of 1 lemon
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Zest of 1 lime
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1 teaspoon allspice powder
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1 bottle seltzer water