Peel and finely dice the onion and garlic. Clean and wash the broccoli and cut the florets from the stalk. Peel and chop the stalk. Celery clean, wash and cut into slices. Peel, wash and chop the kohlrabi.
Heat the oil in a large pot. Sauté the onion and garlic in it. Add prepared vegetables, season with salt and pepper and steam briefly. Stir in 1 l water and stock. Bring to the boil and simmer covered for 20-25 minutes.
Coarsely chop the nuts, roast them in a pan without fat and take them out. Sort the spinach, wash and drain. 1⁄3 Cut into fine strips. Add the rest to the soup with 300 ml coconut milk, puree finely and season to taste with salt and pepper. Serve the soup sprinkled with the remaining coconut milk. Sprinkle with chia seeds, nuts and spinach.