700 g navel oranges, washed
750 g lemons, washed
1 cup raisins
3 kg white sugar, warmed in the microwave
½ cup rum
- Quarter fruit and thinly slice, reserving seeds. Wrap the seeds in a piece of muslin and tie with kitchen string to enclose.
- Place orange, lemon, muslin wrapped seeds, raisins and 6 cups water into a large heavy-based saucepan. Bring to the boil, then reduce heat to medium-low and simmer for 1 hr to 1 hr 30 min or until rind is very soft.
- Add warmed sugar, stirring until fully dissolved. Return to the boil, then reduce heat to medium and boil gently, stirring occasionally, for 1 hr or until mixture reaches setting point. Remove marmalade from heat immediately and stand for 10 min. Stir in rum. Ladle into sterilised jars and seal. Label, date and store in a cool, dark place.