
Bright citrus perfume fills the kitchen the moment this marmalade starts to bubble, and the finished result is the kind of glossy, jewel-toned spread that makes even plain toast feel like a treat. For anyone navigating alpha-gal syndrome, store-bought jams and preserves can be a quiet minefield โ many contain gelatin or other mammalian-derived thickeners that are easy to overlook on a label. This recipe sidesteps all of that by relying entirely on the natural pectin locked inside the orange and lemon seeds and membranes, which are bundled up and simmered right in the pot to do their work. Honey stands in as the sweetener, keeping everything clean and free from any animal-derived additives that could trigger a reaction. The technique is straightforward โ halve, squeeze, slice the peel into thin strips, and let a long, unhurried simmer do most of the heavy lifting before a final rolling boil brings it to set. The frozen-plate wrinkle test takes all the guesswork out of knowing when it's ready, so you end up with a beautifully thick spread every time. Two pint jars of this in the fridge means mornings are covered for a good while.
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Place a small plate in the freezer โ you will use it later to test the set. Scrub the oranges and lemon under cold running water, then dry them.
Halve each orange and lemon. Squeeze the juice through a fine-mesh strainer into a large heavy-bottomed pot, catching and reserving the seeds and any loose membrane in the strainer. Collect the seeds and membrane in a small piece of cheesecloth or a tea strainer and set aside โ they are rich in pectin and will be added to the pot.
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