The singapore Sling was invented at the famous Raffles Hotel by Ngiam Tong Boon. This recipe is my favourite mix, which I got from the Savoy Recipe Book, printed in the 1930's. The are many other recipes for Singapore Sling, which many can be found on the web.
Prep: 15 Minutes
Cook: 10 Minutes (plus 10-15 minutes for new potatoes)
Prep: 60 minutes
Cook: 20 minutes
Prep: 5 minutes
Cook: 1 1/2 - 2 hours