He squints at his brother thoughtfully. "You ordered your's from a girl... and I ordered mine from a guy... and he just thought about it and his appeared..." he knows he's stating the obvious but he's trying to go through his process. Dean got his from a girl cause that's what he likes to look at. Sam got his from a guy because he seems to recall most bar tenders being guys so that's what he's comfortable with.
"So..." he pauses, trying to gather his thoughts. "So, this tavern thing basically creates what you want? Out of thin air? No repercussions?" he asks, more to himself than to anybody in particular.
"Dean... do me a favor... Call over the lady you ordered your beer from and ask her for something else... You're hungry, right?" he says with a dimpled grin.