Skin and chop pumpkin and potatoes into chunks.
For more flavour roast your vegetables before continuing.
Melt butter in a large saucepan, add vegetables & onion and cook for 5 minutes.
Add stock, orange juice, curry powder, and nutmeg (if used). Simmer for about 20 minutes, or until soft.
Drain, keeping the liquid, then mash or blend until smooth, gradually adding liquid for your desired consistency.
Warm through and serve with a swirl of cream.
Sprinkle with toasted seeds, crispy bacon or croutons for a little crunch.