Add the chopped vegetables to a pot of water and cook until tender. Begin the next step in while the vegetables are cooking.
3
Dice beetroot and onion, and fry in a frying pan together with butter until the onion is soft. Set aside.
4
In the same frying pan, fry the cod fillet for about 2-3 minutes on each side. Season with salt and pepper on both sides. The fish is done when it starts to flake.
5
Pour off the water on the cooked vegetables. Add a tablespoon of butter and a splash of cream, and mash it all with a fork. Season with salt and pepper.
6
Serve the root mash and cod fillet on a plate, and top with the beetroot and onion mixture.