Recommended Difford's Guide modern web export by Difford's Guide (2025) — Difford's Guide modern source record
| 10 ml | lemon juice — {"raw_name": "Lemon juice", "raw_measure": "10 ml Lemon juice", "parse_status": "parsed", "mapping_status": "exact_existing"} | acid |
| 10 ml | orange juice — {"raw_name": "Orange juice", "raw_measure": "10 ml Orange juice", "parse_status": "parsed", "mapping_status": "exact_existing"} | acid |
| 45 ml | Bourbon whiskey — {"raw_name": "Bourbon whiskey", "raw_measure": "45 ml Bourbon whiskey", "parse_status": "parsed", "mapping_status": "exact_existing"} | base |
| 15 ml | coffee liqueur — {"raw_name": "Coffee liqueur", "raw_measure": "15 ml Coffee liqueur", "parse_status": "parsed", "mapping_status": "exact_existing"} | modifier |
| 3 dash | Saline solution 4:1 — {"raw_name": "Saline solution 4:1", "raw_measure": "3 drop Saline solution 4:1", "parse_status": "parsed", "mapping_status": "exact_existing"} | other |
| 7.5 ml | Orgeat almond liqueur — {"raw_name": "Orgeat almond liqueur", "raw_measure": "7.5 ml Orgeat almond liqueur", "parse_status": "parsed", "mapping_status": "exact_existing"} | sweetener |
- Select and pre-chill a COUPE GLASS.
- Prepare garnish of coin-sized orange or lemon zest twist.
- SHAKE all ingredients with ice.
- FINE STRAIN into chilled glass.
- EXPRESS lemon or orange zest twist over cocktail and use as garnish.
Garnish: Prepare garnish of coin-sized orange or lemon zest twist. EXPRESS lemon or orange zest twist over cocktail and use as garnish.
Ice: ice
{"date_published": "2025-09-28 08:20:05", "source_url": "https://www.diffordsguide.com/cocktails/recipe/37191/roman-sour", "image_url": "https://cdn.diffordsguide.com/cocktail/Ame4WA/square/0/512x512.webp?v=1759485372"}
Modern provenance preserved separately; do not merge with historical recipes on name alone.