An hour later, just as I thought it would take, the potion was finished. I took the ladle and poured the potion into a flask. Swirling it around 3 times, I placed it on my desk and stoppered it. Professor Snape walked towards my desk and inspected the potion. He gave a satisfied grunt and said, "impressive. If you don’t mind, Ms. Granger, I would like the rest to keep as stock."