Core peel and chop apples.Place in slow cooker.Mix together remaining ingredients and pour over apples.Cook on high for 1 hour.Reduce to low and cook for 10-12 hours until mixture turns dark brown.Use immersion blender to remove lumps or preocess in blender in batches.Leave uncover cooking for 1-2 hours until mixture thickens.Allow to cool.Transfer to airtight containers and store in refrigerator,