Yellow onion Juliane chopped sauté in a pot until transparent.
Add in your red cabbage.
Add in your sugar.
Add in your vinegar.
Add in your apple juice.
Cook on medium heat for 1 hour slow cook.
Cover it for the hour it cooks on slow heat. Once done Strain out the liquid an this could be used for pork sandwiches bbq beef or other things you would like sweet and tasty enjoy play with it.
Once it's strains it looks like this...