1. Peel the carrots and cut them into thin slices. Peel and finely chop the garlic, shallots, and onions.
2. In a sauté pan or a Dutch oven, heat the oil and add the garlic, shallots, and onions. Sauté them for 5 minutes over low heat.
3. Add the carrots and sauté them for 5 minutes. Pour in 10 cl of water, cover, and let simmer for 20 minutes over medium heat.
4. Add the semi-thick sour cream and parsley, season with salt and pepper. Mix well, then continue cooking for 10 minutes over low heat.
5. Serve hot, with grilled meat or fish in parchment paper!