"The balance is perfect." Erwin pats the table across from himself. Come on, Levi, stop lingering at the counter, come sit with him. "I can taste the tea and the nuts, and the milk softens the tea taste enough for the walnut taste to come through. But it's not too strong. I still know I'm drinking tea."

Erwin will openly admit he's not the best person for tea taste-testing. Many of the subtleties have, no doubt, been lost on him. But Levi has brewed it carefully enough that even he can pick out the different flavours.

"Do you think it would work with different types of nuts?"