|2 fl oz||Bourbon whiskey|
|1⁄2 fl oz||Martini Rosso vermouth|
|1⁄4 fl oz||Chambord Liqueur|
|1 dash||Angostura or other aromatic bitters|
Difford's Guide remains free-to-use thanks to the support of the brands in blue above.
A sweet Manhattan-style cocktail.
Created in 2009 by yours truly (Simon Difford) at the Cabinet Room, London England and named after Charlotte Ashburner, then Chambord liqueur's UK brand manager.