My Bar Bible / Cocktails / Penicillin vs Gold Rush
Penicillin vs Gold Rush
What is the difference between a Penicillin and a Gold Rush? Here are both recipes side by side, with exact measures, and what actually sets them apart.
The difference
- Both use lemon juice and honey syrup.
- Only the Penicillin has fresh ginger, blended Scotch and Islay Scotch.
- Only the Gold Rush has bourbon.
Penicillin

| Fresh ginger | 3 slices |
| Blended Scotch | 60 ml |
| Lemon juice | 22.5 ml |
| Honey syrup | 22.5 ml |
| Islay Scotch | 7.5 ml |
Sam Ross, Milk & Honey, New York, 2005. A modern classic with smoky Islay whisky floated on top.
Gold Rush
| Bourbon | 60 ml |
| Honey syrup | 22.5 ml |
| Lemon juice | 22.5 ml |
T.J. Siegal, Milk and Honey, New York, early 2000s. A Whiskey Sour with honey in place of sugar.