On a chopping board top and tail your pumpkin and cut into thick half inch slices. Scoop out the seeds, rinse under a tap and dry on a piece of kitchen paper.
Dice your pumpkin and put to one side. Put the rough trim into a pot with half the butter and a small dash of water. Cover with a lid and cook on a low heat for around 30 mins it should all soften up and a quick buzz with you stick blender will make a nice smooth puree, taste and add salt to your preference.
With your diced pumpkin fry them in a pan with a little butter and get a dark colour, depending on the pumpkin you use you may need to put in oven for a few minutes to bring it to the point where it is soft but still holds its shape.