Add a mixture of carrots or bell peppers, onions and celery to your beans. These vegetables have tonnes of nutrients and great flavour together. You can even use a food processor to chop it as fine as you want if you need to cut down on prep time. Just fry it for 5-10 minutes before you add the beans to it. It will also add some nice flavour to your bean mixture. If you want to add some canned tomatoes or tomato passata if you don't want chunks of tomato as well, for more nutrition and flavour.
Add a mixture of carrots or bell peppers, onions and celery to your beans. These vegetables have tonnes of nutrients and great flavour together. You can even use a food processor to chop it as fine as you want if you need to cut down on prep time. Just fry it for 5-10 minutes before you add the beans to it. It will also add some nice flavour to your bean mixture. If you want to add some canned tomatoes or tomato passata if you don't want chunks of tomato as well, for more nutrition and flavour.