A vegetarian protein powder for hot soups?

[SpaceRock]

I had a vegan version for milkshakes but is there something that can go in soups?

Thanks

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The trouble is that if you heat protein it denatures and all the proteins clump together and it makes stuff go hard. Better off drinking a protein shake and then eating the soup.

Pulsin do some unflavoured ones which are vegan. if you gradually stir it into soup it dissolves ok.