Wash the potatoes and cook them in boiling water for about 15 minutes. Then drain, rinse cold and peel. In the meantime peel and wash the carrots and cut them into sticks. Clean and wash broccoli and cut into small florets.
Bring 300 ml salted water to the boil. Covered carrots and cook for about 10 minutes, broccoli for about 5 minutes. Drain the vegetables and keep the stock. Wash the cured pork loin and cut into cubes. Peel and finely chop the onion.
Heat the lard in a pan. Fry the potatoes for about 5 minutes, turning them over. Season with salt and pepper. In the meantime heat vegetable stock. Stir in sauce powder and bring to the boil. Wash the chives, cut into small rolls and stir into the sauce.
Refine with cream, season to taste. Put the smoked pork, diced onion and carrots into the potato pan, fry for another 5 minutes. Add broccoli and sauce and cook for about 2 minutes while stirring carefully.
Season again and sprinkle with chervil.