Preheat the oven to 200℃ and line a baking tray with paper.
Trim the leafy tops off the carrots. Wash them and then place in the baking dish.
In a small saucepan, heat the butter gently over a medium heat until it turns brown and starts to bubble.
When the butter turns clear, add the salt, pepper, grated nutmeg, honey and vinegar. Stir until the honey has melted. Remove from heat.
Toss the carrots in half of the butter honey mixture. Line the carrots up in a single layer and roast for 30 - 45 minutes (depending on their size) until the carrots are soft when pierced with a knife.
Reheat the remaining butter honey mixture until it's runny (it will cool and harden if left for a while).
Arrange the carrots on a platter, pour over the the remaining mixture, then sprinkle with toasted pumpkin seeds and parsley leaves before serving. Carrots can be served hot or room temperature.