By Bobby Tanzilo Senior Editor/Writer Published Jun 10, 2020 at 10:02 AM

The great traditions in beer lead brewers to explore new ways of uncovering the old ways and the old flavors.

One such method is the attempt to capture heritage yeasts that will give impart the the flavors drinkers enjoyed in the beers of past, opening a window into what the drink meant to our ancestors.

Plus, the hunt can be fun.

That’s what led MobCraft’s Dave Olson and Andrew Gierczak to the former Falk Brewery buildings on 29th and Pierce Streets to collect yeast, which Gierczak used last year to brew MobCraft’s Gier Bier.

You can read a more in-depth piece about that beer and the yeast collection process (with photos) here.

Now, MobCraft has provided the yeast to Madison’s Working Draft Beer Company to create the first of two collaboration brews concocted by the Wisconsin breweries.

Teetotaler's Temptation, a 4 percent ABV pre-Prohibition style lager brewed at the end of February with the Falk yeast, will be available on draught in the MobCraft and Working Draft taprooms.

"The inspiration for the collab was an opportunity to create a pre-Prohibition style lager using a yeast strain that would have actually been in use by local brewers at the time," says Gierczak,who is MobCraft’s co-founder and VP.

"A lot of unique local yeast strains were lost or died out during Prohibition, and when Prohibition was finally repealed, the breweries that survived had a limited selection of commercial brewing yeasts available," Gierczak explains.

Though many drinkers rarely give it a thought, yeast is a strong flavor-determining component in brewing and distilling.

TT (for short) features Wisconsin-grown two-row malted barley, flaked corn, Sterling hops and that Falk-derived yeast, which is now proprietary to MobCraft.

Gierczak says that TT and Gier Beer are not the same brew, despite sharing the yeast strain.

"Similar, but not the same," he tells me. "The main difference is the flaked maize/flaked corn. That gives it a slightly sweeter flavor. It was also fermented at a lower temperature – 44-45 degrees F – as opposed to how we ferment Gier Bier (52 degrees F). This takes a longer time. You'll get a more pure expression of the malt and less of the yeast flavor, which is a signature of Gier Bier."

Thanks to that corn sweetness and a solid hop backbone, TT is a perfect crisp lager for the warm days.

"Each brewery wanted to brew a beer with all Wisconsin ingredients, including the yeast," says Gierczak. "The beer was brewed at Working Draft on their system, using their ingredients. MobCraft contributed the yeast."

Gierczak was on hand in Madison for the brew day (pictured above, courtesy of Henry Schwartz).

"It felt like we were taking a step back in time. Being able to pull from Wisconsin's rich brewing history to recreate a beer using only Wisconsin ingredients with yeast that the team at MobCraft plucked from the Falk Brewery lagering caves really made me proud to be a Wisconsinite," says Working Draft CEO and owner Ryan Browne.

MobCraft will tap its share of Teetotaler’s Temptation on Saturday, June 6, selling it on draught at $6 for a 16-ounce Beer Buddy or $12 for a 64-ounce growler fill (growler glass is an additional $5).

Crowlers from Working Draft ($12 for a 32-ounce crowler) will be available Wednesday-Sunday by appointment pick-up or online order.

As for what the next collaboration between the two will be ... you’ll just have to wait. They wouldn’t even give us a hint.

Bobby Tanzilo Senior Editor/Writer

Born in Brooklyn, N.Y., where he lived until he was 17, Bobby received his BA-Mass Communications from UWM in 1989 and has lived in Walker's Point, Bay View, Enderis Park, South Milwaukee and on the East Side.

He has published three non-fiction books in Italy – including one about an event in Milwaukee history, which was published in the U.S. in autumn 2010. Four more books, all about Milwaukee, have been published by The History Press.

With his most recent band, The Yell Leaders, Bobby released four LPs and had a songs featured in episodes of TV's "Party of Five" and "Dawson's Creek," and films in Japan, South America and the U.S. The Yell Leaders were named the best unsigned band in their region by VH-1 as part of its Rock Across America 1998 Tour. Most recently, the band contributed tracks to a UK vinyl/CD tribute to the Redskins and collaborated on a track with Italian novelist Enrico Remmert.

He's produced three installments of the "OMCD" series of local music compilations for OnMilwaukee.com and in 2007 produced a CD of Italian music and poetry.

In 2005, he was awarded the City of Asti's (Italy) Journalism Prize for his work focusing on that area. He has also won awards from the Milwaukee Press Club.

He can be heard weekly on 88Nine Radio Milwaukee talking about his "Urban Spelunking" series of stories.