Wash the broccoli, cut off the florets and peel the lower part of the stem. Cut the stalk into small pieces. Peel and chop the onion and potato. Heat 1 tsp. oil in a pot.
Leave bacon cubes in it crisply, take them out. Add 1 tablespoon of oil to the hot bacon fat. Steam potato, onion and broccoli stalk for 2-3 minutes until transparent, add milk and stock and simmer for 20-25 minutes.
Cut the broccoli florets into small pieces and add to the soup about 10 minutes before the end of the cooking time, season with a little salt. Wash coriander, dab dry, pluck leaves from the stems and chop coarsely.
Add half the coriander to the soup, puree, bring to the boil, season with salt, nutmeg and a little sugar. Mix the rest of the coriander with the bacon. Serve the soup, sprinkle bacon-coriander mixture over it.