Halve the pumpkin, core with a spoon, cut into small pieces (boats), then peel. Peel and chop the potatoes. Finely chop the onion and garlic.
Sweat the onion and garlic in 2 tablespoons of olive oil. Add the pumpkin, carrots and potatoes and fry lightly. After 3 minutes, deglaze with 200 ml white wine and add the spices. Pour in the chicken stock and cook for 45 minutes over medium heat.
Puree with a hand blender until smooth. Check the consistency, let it boil down if necessary and season with cream, salt, 1 pinch of nutmeg and fresh pepper from the mill.