Twentieth Century Cocktail
While having a few modifications through the years, with various publications, the original recipe from the Cafe Royal Cocktail book 1937, needs no substitute.
1 1/1 oz dry gin
3/4 oz white Lillet
3/4 oz white creme de cacao
3/4 oz frsh lemon juice
Shake with ice and strain up into cocktail glass.
A classic due for resurrection!