The newest trend in home design is for New Yorkers to convert ... turned a closet under the staircase in their Upper West Side one-bedroom loft into a “Mad Men”-inspired cocktail bar.

The aptly named bar is housed inside ... a pick-me-up in a glass with rum, coffee, heavy cream, simple syrup and egg yolk. "When people come into Janitor’s Closet, I want them to get the vibe ...