Bean grinding. Jim's eyebrows go up, observing this (hearing this), clearly fascinated by this procedure, which he has deadass never witnessed. You just hit the button on the food synthesizer for coffee, if you were Jim, or if you were fancy, you asked it to materialize a bag of something special. Which Jim never did.

Anyway. Puzzlement aside, "Hey, any trade worth doing is worth learning, or something like that." And in the dark ages, more jobs needed doing manually!

"I can make casserole that doesn't always kill people."