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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453: Gert Christiaens of Oud Beersel Is Preserving Oude Gueuze Heritage by Building New Flavor Bridges

453: Gert Christiaens of Oud Beersel Is Preserving Oude Gueuze Heritage by Building New Flavor Bridges

Gert Christiaens loved the beers of Oud Beersel so much that he couldn’t abide the brewery closing in 2003. So, he bought the brewery, learned to brew, and for the past 20 years has focused on preserv...

2 Tammi 1h 39min

452: Counting Down Your Favorite Episodes of 2025

452: Counting Down Your Favorite Episodes of 2025

In this special year-end episode, we look at the ten most-downloaded episodes of the podcast, share stories behind the conversations, recount personal favorites, and more, with clips from the top ten ...

27 Joulu 20251h 4min

451: Dimitri Staelens of Adept Throws out the Rule Book in Brewing Distinctive Belgian Ales

451: Dimitri Staelens of Adept Throws out the Rule Book in Brewing Distinctive Belgian Ales

Dimitri Staelens spent 15 years directing quality across a range of breweries owned by Duvel Moortgat in Europe and North America. Along the way, he built a deep understanding of ingredients and proce...

19 Joulu 20251h 33min

450: Stephen Boardman of 450 North Builds Intense Flavor and Nostalgic Connection With Fruit

450: Stephen Boardman of 450 North Builds Intense Flavor and Nostalgic Connection With Fruit

From the corner of the family farm in rural Columbus, Indiana, surrounded by corn fields, 450 North has built a worldwide reputation for intensely flavored fruit beers and supersaturated smoothie sour...

12 Joulu 20251h 14min

449: Christopher Lackner of the Hemp Beverage Alliance Is Fighting for the Loophole that Became an Industry

449: Christopher Lackner of the Hemp Beverage Alliance Is Fighting for the Loophole that Became an Industry

When President Trump signed the bill to reopen the government on November 12, he also enacted a law that will—unless changed within a year—effectively ban hemp-derived THC beverages and other products...

5 Joulu 20251h 1min

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 Marras 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 Marras 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 Marras 20251h 21min

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