Transform fresh kumquats into a vibrant, tangy-sweet spread with this quick and easy Kumquat Jam Microwave recipe. Using just four simple ingredients—kumquats, sugar, water, and a splash of lemon juice—this small-batch jam comes together in under 30 minutes, making it perfect for busy home cooks. The recipe’s microwave technique eliminates the need for stovetop monitoring, while gently preserving the kumquats' citrusy flavor and natural tartness. The result is a glossy, jewel-toned jam that’s ideal for spreading on toast, swirling into yogurt, or glazing desserts. With minimal prep time, no canning experience required, and a storage-friendly single-serving batch, this recipe is a fantastic introduction to homemade preserves.
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Wash the kumquats thoroughly under cold water to remove any dirt or residue.
Slice the kumquats thinly, removing any seeds as you go. Collect all the juice that may spill during slicing and add it back to the bowl of sliced fruit.
Transfer the sliced kumquats to a large microwave-safe bowl. Ensure there’s plenty of room for the mixture to bubble up as it cooks.
Add the granulated sugar, water, and lemon juice to the bowl. Stir well to combine.
Place the bowl in the microwave and cook on high power for 5 minutes. Carefully remove the bowl and stir the mixture thoroughly.
Return the bowl to the microwave and continue cooking on high power in 2-minute intervals, stirring well between intervals. This will help evenly distribute heat and prevent sticking.
After approximately 15–20 minutes, the jam should thicken and take on a glossy appearance. To test for doneness, place a small spoonful of jam onto a cold plate. If it forms a gel when cooled, it’s ready.
Once the jam has reached the desired consistency, let it cool slightly before transferring it to a sterilized jar or container.
Allow the jam to cool completely, then seal the container tightly and store in the refrigerator. Use within 2–3 weeks.
Serving size | (465g) |
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Amount per serving | % Daily Value* |
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Calories | 942.7 |
Total Fat 2.3g | 0% |
Saturated Fat 0.3g | 0% |
Polyunsaturated Fat 0.0g | |
Cholesterol 0mg | 0% |
Sodium 25.1mg | 0% |
Total Carbohydrate 240.8g | 0% |
Dietary Fiber 16.3g | 0% |
Total Sugars 223.9g | |
Protein 4.8g | 0% |
Vitamin D 0IU | 0% |
Calcium 155.9mg | 0% |
Iron 2.3mg | 0% |
Potassium 480.4mg | 0% |
Source of Calories