The Underground Brewery

New video · March 1, 2026

Gluten Free Hefeweizen — Grain to Glass

A hefeweizen with no wheat — and no gluten at all. Buckwheat, millet, and quinoa take on the hardest style in gluten-free brewing, built as a retirement gift for a Milwaukee firefighter. Did the banana and clove survive the swap? Press play.

Gluten Free Hefeweizen — Grain to Glass — video thumbnail

Press play to watch here, or get the full story.

From the Basement

Everything in order, newest first — brew days and experiment series alike. Brewing is better when you test it, and every entry below has the tasting to prove it.

Series · December 2025 – January 2026 · 11 videos

Brewtubers 2025 Malt Experiment

Eleven brewers, one amber ale recipe, eleven different specialty malts — melanoidin, Red X, toffee malt, biscuit malt, even a gluten-free millet malt. Tasted back to back, it's a working flavor library for anyone who's ever wondered what that malt on the shop shelf actually does to a beer.

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Griffin Malt — 2025 Malt Experiment #1 — video thumbnail

Grain to Glass · December 13, 2025

Griffin Malt — 2025 Malt Experiment #1

The brew day that kicks off the 2025 malt experiment: two full pounds of Griffin gluten-free millet malt auditioning in an amber ale. It brings raisin and dark fruit nobody expected — and talks its way into a future gluten-free barley wine.

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Gluten Free Mexican Lager — Grain to Glass — video thumbnail

Grain to Glass · May 25, 2025

Gluten Free Mexican Lager — Grain to Glass

The house Mexican lager, cloned with 100% gluten-free ingredients — millet, corn, and enzymes. Then the side-by-side twist: the gluten-free version won, and might just retire the original recipe for good. Full recipes included.

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Scottish Export — Grain to Glass — video thumbnail

Grain to Glass · February 9, 2025

Scottish Export — Grain to Glass

The first-ever Grain to Glass: a proper malty Scottish Export on a 10-gallon Maris Otter grain bill, opening with a costume sketch about Tilt hydrometer aristocrats. The tasting verdict: a butter cookie with a little lemon zest.

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Series · June–December 2024 · 11 videos

Brewtubers 2024 Fruit Experiment

Ten brewers across the country made the exact same American wheat beer — then each added strawberries at a different stage, from whole fruit in the boil to syrup in the keg. Reviewed side by side, they answer a question every fruit-beer brewer has: when you add the fruit changes everything.

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Series · June–August 2024 · 2 videos

The Basement Files

The one-offs: four beers deliberately cooked in 92-degree summer shipping with a data logger riding along to see if anyone could taste the difference — plus the video that started the whole channel.

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The club behind the experiments

The Brewtubers

An online homebrew club with members from California to Germany. Members ship beers to each other, meet on Discord, and every year brew the same recipe with one variable changed — then review the results side by side. The 2024 fruit experiment and 2025 malt experiment on this site both came out of the club.

Hanging out on the Discord is free, and you don't need a YouTube channel to join in. Paid members get to participate in the experiments and beer swaps.

2annual experiments reviewed on the channel
21experiment beers tasted — zero duds
peer pressure, applied responsibly