1. Cook It Longer
The most straightforward solution is to continue cooking your jam. By simmering it for a longer duration, excess moisture will evaporate, resulting in a thicker consistency. Keep in mind that overcooking can affect the flavor and color of your jam, so take care not to go overboard.
2. Use Pectin
Pectin is a natural thickening agent found in fruits and can be used to give your runny jam the boost it needs. You can either make homemade pectin from high-pectin fruits like apples or purchase commercial pectin from a store. Follow the instructions provided with your pectin to achieve the desired consistency.
3. Incorporate Cornstarch
Cornstarch is another commonly used thickening agent in cooking. To use cornstarch to thicken your jam, dissolve a tablespoon of it in water or fruit juice before adding it to the simmering mixture. Stir continuously to prevent clumps from forming. Be cautious not to add too much cornstarch as it can impact the taste and texture of your jam.
4. Opt for Arrowroot
Arrowroot is a gluten-free thickener that works well for jams. Make a slurry by mixing a tablespoon of arrowroot with equal parts cold water and add it to the simmering jam. Allow it to cook for a few more minutes while stirring gently. The arrowroot will thicken the jam without altering the taste.
5. Try Gelatin
Gelatin is a popular thickening agent for various recipes, and it can also help thicken your jam. Dissolve a teaspoon of unflavored gelatin in a small amount of water, let it bloom for a few minutes, and then add it to your warm jam mixture. Give it a gentle mix, and the gelatin will set as it cools, thickening your jam to perfection.
Whether you prefer the traditional method of cooking your jam longer or opt for the assistance of thickening agents like pectin, cornstarch, arrowroot, or gelatin, there are several effective ways to thicken your runny jam. Experiment with these tips until you achieve the desired consistency and take delight in spreading thick, flavorful jam on your favorite bread or scones.