Cash only.

The waitress said that weekend wait times can reach 2 hours. The weekend lines start forming at 9:20 for a 10:00 opening.

Strictly for informational purposes, I enjoyed their blueberry pancakes this Monday morning. The blueberries were sweet. @:-) The pancakes were enormous. Fresh warm maple syrup on the side. After you're done, you can walk them off on the lower east side, as you tour through old New York.