Recipe: River North Hello Darkness Imperial Porter
For much more from the River North team on how they assemble their award-winning porters and other dark ales, check out their video course on brewing impactful high-gravity beers; read their Brewer’s Perspective piece, Of Malt & Medals; and tune into Podcast Episode 398: River North Explores the Outer Limits of High-ABV Brewing.
ALL-GRAIN
Batch size: 5 gallons (19 liters) Brewhouse efficiency: 72% OG: 1.110 (26°P) FG: 1.036 (9°P) IBUs: 28 SRM: 42 ABV: 9.8%




