373: Amplifying Expression in Lager Fermentation with Fermentis, Highland Park, and Boston Beer

373: Amplifying Expression in Lager Fermentation with Fermentis, Highland Park, and Boston Beer

Lager yeast and the evolution of expression is the subject of this spotlight podcast, brought to you interruption-free by Fermentis, the experts in fermentation for more than 160 years. Brewers everywhere depend on Fermentis for yeast that’s consistent, controllable, and high quality—whether you’re brewing an ester-forward Belgian-style beer, your favorite IPA, or a clean lager.

This episode focuses on an evolving subject—using lager yeast for character beyond “cleanliness,” and joining for the conversation are Urs Wellhoener, technical director and brewing R&D for Boston Beer, Grant Lawrence, former professional brewer, active homebrewer, and Southwestern sales rep for Fermentis, and Bob Kunz, founder of Highland Park Brewing in Los Angeles.

Through the podcast, we focus on the why, the what, and the how of using lager yeast to achieve not just neutral, but characterful fermentations, especially as it pertains to hop-forward lager styles. Along the way, the panelists discuss:

  • the interaction of sulfur compounds derived from hops with the sulfur compounds created through lager fermentation
  • lager strains’ beta-lyase activity and biotransformation
  • leaning into hop creep and using it to your advantage
  • reducing acetaldehyde production by changing diacetyl rest timing
  • cone angle’s impact on mercaptan formation
  • testing tried-and-true beers such as Highland Park’s Timbo Pils with alternate yeast strains

And more.

Fermentis, is a worldwide leader in brewing yeast, and brewers everywhere depend on Fermentis for successful, predictable, and controllable beer fermentation. They’re the obvious choice for beverage fermentation. To learn more about their range of dried brewing yeast and the work they’re doing to help brewers understand how to use them, visit Fermentis.com,

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448: West Coast Pils Panel Discussion Live From the Brewers Retreat

448: West Coast Pils Panel Discussion Live From the Brewers Retreat

This week’s episode comes from a live panel discussion on West coast pils recorded a few weeks ago at the Craft Beer & Brewing Brewers Retreat in Asheville, North Carolina, and features Khristopher Jo...

28 Nov 202556min

447: Building Character in Lagers with 34/70 and Beyond, Presented by Fermentis

447: Building Character in Lagers with 34/70 and Beyond, Presented by Fermentis

Lager yeast is the focus of this spotlight episode, brought to you interuption-free by Fermentis, the experts in fermentation for more than 160 years. Brewers everywhere depend on Fermentis for yeast ...

25 Nov 20251h 4min

446: The Critics Speak! Kate Bernot, Stan Hieronymus, and Joe Stange Glimpse the Future Through Their Favorite Beers of the Year

446: The Critics Speak! Kate Bernot, Stan Hieronymus, and Joe Stange Glimpse the Future Through Their Favorite Beers of the Year

At Craft Beer & Brewing Magazine®, we obviously spend a lot of time thinking about beer—talking to brewers and others in the industry, digging into the details of process, and writing about what we le...

21 Nov 20251h 21min

445: The Best in Beer 2025 Special, Featuring the Stories Behind the Picks

445: The Best in Beer 2025 Special, Featuring the Stories Behind the Picks

It’s one of the most anticipated episodes of the year—our annual peek behind the scenes of the Craft Beer & Brewing Magazine™ Best in Beer issue, as editorial director Jamie Bogner and executive edito...

13 Nov 20251h 43min

444: Mike Foniok of the Establishment Takes an Ultramodern Approach to Mixed-Culture Fermentation

444: Mike Foniok of the Establishment Takes an Ultramodern Approach to Mixed-Culture Fermentation

Sheesh! The Establishment (Calgary, Alberta) has built a reputation over the past few years for taking an unconventional, experimental approach to mixed-culture brewing—as well as many other styles—an...

7 Nov 20251h 6min

443: Grain-to-Glass Brewing with Local and Regional Malt, Live from Alberta

443: Grain-to-Glass Brewing with Local and Regional Malt, Live from Alberta

We recorded this week’s episode live on stage at the Alberta Craft Brewing Convention in Red Deer, Alberta, in early October. The thematic through line is farm-to-glass brewing—something that’s not th...

31 Okt 202552min

442: Fast Fashion Puts Its Foot on the Gas With New Zealand Hops and Extra Anchovy

442: Fast Fashion Puts Its Foot on the Gas With New Zealand Hops and Extra Anchovy

Seattle’s Fast Fashion has built a reputation for modern, forward-looking IPAs and hop-focused lagers, and the characterful brewery and taproom in SoDo expresses the eclectic interests and aesthetic t...

24 Okt 20251h 11min

441: Cask Ale Elegance and Understatement with Bill Arnott of Machine House

441: Cask Ale Elegance and Understatement with Bill Arnott of Machine House

It can be difficult to articulate how to make simple beers extraordinarily well—much comes down to ingredient quality, training and discipline, and the hundreds of small choices a brewer makes through...

17 Okt 20251h 10min

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