Dice the potatoes, onions and the clove of garlic, chop the vegetables. Sweat the onions and the clove of garlic in oil, add the vegetables and sauté.
Then add the potatoes and carrots and then top up with the broth. Simmer for 25 minutes, puree with a hand blender, then add the creme fraîche and season with the spices. Finally, add the meatballs, cut into pieces or slices, and let them get hot.