Gather all ingredients: Wash and dry the broccoli and cauliflower and divide them into florets. Wash the celery stalk and dice it. Wash and peel the carrots, parsley root, and celery root and slice them on the cutting board. Peel the onion and cut in to cubes. Peel the potatoes, wash, dry and dice.
Place all the cut vegetables (besides the cauliflower, broccoli, and potatoes) into a medium pot and add about 1/4 of the stock and simmer covered over low heat for about 10 minutes.
Then add the diced potatoes, cauliflower florets, broccoli florets, the 2 vegetable cubes and add Vegeta or your preferred seasoning.
Add the rest of the stock. Simmer over low heat another 10-15 minutes until all vegetables are soft. Be careful not to overcook the broccoli.
Season the soup with salt and pepper. Add finely chopped dill or parsley to the soup. Mix well. Enjoy your meal!