Rob Roy
| 2 oz. | Scotch (blended) | |
| 1/2 oz. | sweet vermouth | |
| 1 dash | Angostura Bitters | (optional) | 
Stir (do not shake) all ingredients with cracked ice; strain into a chilled cocktail glass. Garnish with a lemon twist.
| 2 oz. | Scotch (blended) | |
| 1/2 oz. | sweet vermouth | |
| 1 dash | Angostura Bitters | (optional) |