Recommended Difford's Guide modern web export by Difford's Guide (2016) — Difford's Guide modern source record
| 30 ml | Bourbon whiskey — {"raw_name": "Bourbon whiskey", "raw_measure": "30 ml Bourbon whiskey", "parse_status": "parsed", "mapping_status": "exact_existing"} | base |
| 1 | Pilsner lager — {"raw_name": "Pilsner lager", "raw_measure": "1 pint Pilsner lager", "parse_status": "partial", "mapping_status": "exact_existing"} | other |
- POUR whiskey to brim of shot glass and then manoeuvre shot glass so it is held tight up against the inside base of an upturned Boston glass
- Then quickly flip the Boston glass over so that the bourbon is trapped in the now upside-down shot glass
- Now pour beer into Boston glass over the whiskey-filled shot glass.
{"date_published": "2016-08-27 07:52:56", "source_url": "https://www.diffordsguide.com/cocktails/recipe/282/boilermaker", "image_url": "https://cdn.diffordsguide.com/cocktail/4A25DR/square/0/512x512.webp?v=1737701572"}
Modern provenance preserved separately; do not merge with historical recipes on name alone.