Clean, peel and dice the pumpkin, potatoes and carrots.
Stew in a little water with a pinch of salt until soft. Pour off the remaining water. Steam the vegetables well dry.
Dice the onion and sauté in butter. If you like, squeeze a clove of garlic and sauté briefly. Add the onion mixture to the vegetables. Season to taste with pepper and mash with the potato masher. Season to taste with salt, nutmeg and pepper.
Fried egg goes well with it. The puree is suitable as an accompaniment to pan-fried foods.