381: Human Robot's Andrew Foss Wants You to Experience "The Wave" When Drinking Their Lager
Oct 4, 2024
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Andrew Foss, head brewer of Human Robot, shares insights into crafting unique lagers with character rather than just cleanliness. He discusses the art of decoction mashing and a direct-fire brewhouse, which allows for complex flavors through innovative mash strategies. Foss highlights the importance of 'the wave' for mouthfeel and embraces using inconsistent malts for richer taste. He emphasizes intentional brewing practices that shape aroma and flavor, pushing past traditional definitions of lagers to create something truly exceptional.
Andrew Foss emphasizes the importance of character over simplicity in lager brewing, utilizing innovative techniques like decoction mashing to enhance flavor.
Human Robot's strategic pivot from IPAs to lagers showcases their commitment to evolving consumer preferences and changing lager perceptions through engaging events.
The brewery's distinct fermentation profiles are intentionally crafted to develop complex flavors while avoiding excessively clean profiles typical of larger breweries.
Deep dives
The Evolution of Lager at Human Robot
Human Robot has successfully positioned itself as a leading lager brand in the Philadelphia area by evolving its brewing focus over time. Initially starting with a heavy emphasis on IPAs, the brewers shifted toward lagers after noticing increased consumer demand for this style. This transition was not only strategic but also aimed at changing the perception of lagers, showcasing them as exciting and party-friendly through events like the Log Jammin' festival. The commitment to making great lagers has been sustained by utilizing traditional brewing techniques and innovative recipes, including decoction mashing.
Andrew Foss’ Brewing Journey
Andrew Foss, head brewer, shares his personal journey into the brewing industry, highlighting his beginnings in home brewing and bartending. His career took off after he shadowed an experienced brewer and committed time to learning the craft, even working without pay initially. Following his stints at various breweries, he returned to the same brew house where he had previously gained experience, this time as the head brewer for Human Robot. This unique path has shaped his philosophy toward crafting lagers and helped him refine his brewing techniques.
Innovative Approaches to Decoction Mashing
The brewery embraces decoction mashing as an integral part of its lager-making process, which involves boiling a portion of the mash to enhance flavor and mouthfeel. Foss has fine-tuned this process by adapting traditional methods to modern malts, achieving a desirable fullness and complexity in the final products. By implementing a shorter mash schedule with rest temperatures that focus on optimizing enzyme activity, he has cultivated a unique style of lagers that balances rich malt characteristics without the use of crystal malts. This innovative approach results in beers that are full-bodied yet still crisp and drinkable.
Tailoring Fermentation Techniques
Human Robot employs distinct fermentation profiles for its lagers, including variations in temperature and duration that enhance the beer's flavor complexity. For example, in fermenting the Czech 10 lager, the beer is initially knocked out at low temperatures and then gradually warmed to allow for flavour development while managing sulfur production. This method aims to avoid excessively clean profiles common in larger breweries, instead promoting a more characterful beer. Each fermentation profile is intentionally designed to elicit unique sensory experiences, catering to specific style characteristics within the broader lager category.
Future Directions for Human Robot
Human Robot plans to continue its expansion while maintaining a focus on quality and employee well-being. Currently targeting retail growth, the brewery aims to establish a robust presence in the Philadelphia area through direct customer engagement. Plans include the introduction of new brewing equipment to enhance efficiency and production capabilities, allowing for better employee working conditions. The team remains committed to creating memorable beers and establishing a recognizable brand that resonates beyond the local neighborhood.
As Andrew Foss of Human Robot says in this episode, “Perfection is pretty easy. To make something interesting is hard.”
Those are easy words to say and harder words to brew by, but the Philadelphia brewer strives for character over lager “cleanliness,” eschewing the “crispy” moniker while searching for something more substantial. To accomplish that goal, he uses every tool at their disposal—mash and decoction regimens, a direct-fire brewhouse, a number of different fermentation schedules, and more. Character, after all, requires intention and effort, and not just homogeneity or simplicity.
In this episode, Foss talks about:
using a direct-fire mash-mixer and decoction in concert with an array of different malts to produce characterful European-style lagers
rethinking mash strategies designed for older malts
adjusting the decoction process based on intentions for aroma and flavor
building “the wave” in lager mouthfeel
dialing in pH for expressive but cohesive lagers
differentiating between final gravity and mouthfeel
aroma contributions from direct-fire brewhouses
embracing inconsistent malt for more flavorful European-style lagers
going beyond “clean”
And more.
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