1 1/3 oz of Gin
2/3 oz of rosso vermouth (or sweet vermouth)
2/3 oz of bols creme de bananes (or banana liqueur)
2/3 oz of pimm's gin (or Gin)
1 dash of Angostura bitters
2/3 oz of Rose's lime juice (or Lime Juice)
Shake, strain into a cocktail glass, and serve.