Unlike the brewing records, it lists the brewing process in great detail. In particular, the mashing and boiling schemes. Things I had to just guess at before. Great, in the greater scheme of things. But it means that I have to rewrite all the Heineken recipes in "Blitzkrieg!".
Some of my guesses weren't far wrong. The Pis did have a double decoction, not much different from my guess. And I was correct about some numbers signifying the hop addition quantities. Which, weirdly, increase the later the addition. The timings I got wrong, however. Rather than 90 minutes, 60 minutes and 30 minutes, they were 120 minutes, 60 minutes and 20 minutes. Not so far wrong. I'm pleased that I got that close.
Beiersch is where I was the most wrong. That had a triple decoction. But most unexpected was that the kleurmout - a roasted malt similar to black malt - was added to the lauter tun around the time of the third decoction. No way I would ever have guessed that.
Here are the mashing details of a test batch of Beiersch. Where they were looking at the difference between using well water and mains water.
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2 comments:
Am I correct that this illustration is a preprinted form with fields that got filled in (or crossed out) as needed?
Did any other brewers show this lrvel of organization or was Heineken unusually organized?
Anonymous,
yes, it's a pre-printed form. That's what most UK brewing records were like. Though there wasn't usually quite as much detail as in the Heineken ones.
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