"Indeed," Snape replied to Peter. He gave the jarful on his desk a proprietary pat, making the goo within belch a bubble. "Do you have any idea how much you'd pay for fresh poltergeist ectoplasm down Knockturn - if you could find it?"
"And speaking of tea..." he smirked. A house elf popped into the office, and he told it, "A pot of black chai, and...?" he glanced inquiringly from Al to Peter, inviting them to place their own orders.