| Ingredient | Amount |
|---|---|
| Lime | 1/2 |
| Falernum | 1/3 oz |
| Angostura Bitters | 2 dashes |
| Añejo rum | 1 oz |
| blackstrap rum | 1 oz |
Cut the half lime in half again. Add the lime, falernum, and bitters to a rocks glass. Muddle. Add the rum. Add ice and stir. Float the blackstrap rum on top. Serve with a straw.