Storage and tips:
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Store the jars in a cool, dark and dry place. The jam will keep for months to years.
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You can vary the spices (a pinch of star anise, vanilla), but cinnamon and cloves taste the most classic.
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Rum can be omitted; however it adds aroma and enhances the fruity notes.
Total preparation time:
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Preparation: 35 minutes
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Baking: 60 minutes
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Total: approx. 95 minutes
Number of servings:
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Yield: approximately 4–6 jars of 250–300 ml (depending on the juiciness of the plums)
Conclusion:
Oven plum jam is quick, clean work and the result is consistent – without constant stirring and the risk of burning. Use it in buns, pies, gingerbread, on pancakes or with cheese. With a large plum harvest, it’s the most convenient way to preserve their flavor for the whole winter.

