Fill a big 16 oz thin crystal goblet with finely cracked ice. In the diametrical center of the frosty mass add a lump of sugar well saturated with Angostura, then add cognac, then fill the glass with chilled champagne, finally floating the chartreuse on top. Please refrain from garnishing!
Named after Colonel Jimmie Roosevelt of the civil aeronautics commission.
The Gentleman's Companion, vol. 2 by Charles H Baker, Jr.