She definitely didn't give it cursed blood - the box said she'd already paid the same price nine times, there's no way she could have done that when Granita's is the only cursed blood available.
....
Also . . . Sherbet's remaining brain cells break in the most . . . well, bizarre ways is probably the best way to put it, though hilarious also works . . .
yeah I agree, I don't think it asked for cursed blood from Sherbet either, so I'm really curious what it asked, and how did Sherbet give it 9 times that thing.