Ingredients
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4 cups (about 6–8) chopped plums
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1/2 cup sugar
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1 cinnamon stick
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1 orange
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3 tbsp low-sugar or no-sugar-needed pectin
Steps
1
To a heavy-duty medium pot, add the plums, ½ cup water, sugar, and cinnamon stick. From the orange, grate zest of entire fruit and squeeze ¼ cup juice. Add to pot.
2
Heat on medium-high and cook 4–5 min., until plums begin to soften, stirring occasionally. Stir in the pectin. Heat to a vigorous boil on high and cook mixture 2 min., until slightly thickened, stirring constantly. Remove from heat. Discard cinnamon stick.
3
Let jam cool slightly, then ladle into jars. Cool completely, then seal and refrigerate 2 hours, until set.
