Wash both the lemon and orange. Zest them, put the zest in a large pot. Add to the pot the juice from both of them.
Add everything from the apple down to the water.
Bring to a boil, simmer for about 5 minutes.
Add the raisins, dates, chopped banana and sugar OR liquid stevia.
Simmer uncovered, stirring every 10 minutes so that the bottom doesn't scorch, until the mixture is just thick enough to form a mound on a tablespoon. This could take anywhere from 60 to 90 minutes.
Spoon into heated quarter-litre (½ US pint / 8 oz) jars.
Leave 1 cm (¼ inch) headspace.
Debubble, adjust headspace.
Wipe jar rims.
Put lids on.
Process in a water bath or steam canner.
Process for 10 minutes; increase time as needed for your altitude.