Hmm... [Thinking of a way to describe it in words.] I brew over fire, but I do suppose I could show you...
[Goes about the kitchen for a few moments, getting the tools she needed -- copper brikki, two espresso cups, and a "manual" coffee bean grinder. She then went into the pantry to retrieve the kind of beans she used the last time.] This might take a bit...
[She goes through the motions: measuring the amount of beans she would be using, and started grinding them. She pauses, wondering if she is either disturbing Touma from eating or if he's finished --] Would you like to try?