some curdled milk

What once was fresh milk has now turned into something else. The liquid has started to solidify into coagulated lumps of a yellow-green cheese.

They are some curdled milk.
They weigh a couple of pounds.

You identify some curdled milk.
They are food.
They weigh two pounds, and they are worth about ten busc.
Their keywords are curds, curdled, cheese, and milk.