Add elderberries, water, fresh ginger, cinnamon stick, whole cloves, cardamom pods, and orange slices to a small saucepan.
Simmer gently for 30 minutes on low. Use a potato masher to gently mash the berries to extract as much juice from the elderberries as possible, without crushing the seeds.
Strain through a fine-mesh sieve, cheesecloth, or a reusable soup bag.
Pour the strained syrup back into the pot over low heat. Once warm, add honey and stir until the elderberry syrup comes together.
Pour the elderberry syrup into a sterilized 8-ounce jar. Store in the refrigerator for up to 3 months.
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Notes
This syrup is not intended for infants under the age of 12 months.
Elderberry syrup may not be suitable for pregnant women. Please consult your doctor before using it.
Unripe elderberries, as well as stems, leaves, and bark of the elder tree, are poisonous. They contain a cyanide-inducing glycoside and should not be used in this recipe.
You can substitute dried elderberries for fresh ones. You will need ½ the number of dried berries as fresh.
To make this elderberry syrup last longer, add ½ cup brandy, which will act as a preservative.
Using raw honey has further health benefits since it contains anti-fungal properties, helps digestive issues and is soothing to sore throats.