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Combine granulated sugar and water to a large saucepan. Bring to a boil. Reduce heat and simmer until sugar is dissolved, about 3 minutes.
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Add cranberries, apples, onion, raisins, brown sugar, vinegar, cinnamon, ginger, salt, and mace. Stir to combine.
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Bring to a boil. Reduce heat to medium-low and cook for 25 minutes, stirring occasionally.
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It should stay at a fast simmer (or low boil) while cooking. Adjust heat slightly as needed to maintain fast simmer. Do not let it get to a hard boil.
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Remove from heat and stir in jalapeños. Cool to room temperature.
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Stir in pecans. Serve immediately warm or chill and serve cold.