
Fruit jams seem simple, but store-bought versions often sneak in additives, thickeners, or ingredients that can be surprisingly tricky to navigate on a low-iodine protocol. This homemade version keeps things clean and straightforward, relying on mixed berries, honey, lemon juice, and arrowroot starch to create a glossy, spoonable jam with zero guesswork. The carob powder is the real secret here — it adds a gentle, earthy depth that makes this taste far more complex than a basic fruit spread. Arrowroot does the thickening work beautifully without any of the concerns that come with some commercial stabilizers, and the technique is simple: whisk it into cold water first, then stir it into the hot berry mixture off a rolling boil so it sets properly. A pinch of Ceylon cinnamon at the end is optional but absolutely worth it if you have it on hand. The whole thing comes together in one saucepan and stores in a jar in the fridge, ready to spread on toast, swirl into oatmeal, or spoon over pancakes whenever the craving hits.
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Combine the berries, honey, carob powder, and lemon juice in a medium saucepan over medium heat. Stir to coat the berries, then cook, stirring occasionally, until the berries break down and the mixture is bubbling steadily, about 8–10 minutes. Use the back of the spoon to crush any large pieces.
In a small bowl, whisk the arrowroot starch into the cold water until fully dissolved with no lumps.
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