If you were making the marmalade, then such dream promises happiness at home without any conflicts or disputes. On the negative note, if you ate the marmalade in your dream, then it shows the minor sickness you are going to suffer.
Dream dictionary: Marmalade dream meanings
…Dreaming of eating marmalade, denotes sickness and much dissatisfaction For a young woman Dreaming of making it, denotes unhappy domestic associations….