Is it better to have as many holes as possible in your spray head, hardly any to make more agitation, or somewhere in between? To achieve even extraction in batch brewing, it’s important to get all the grounds evenly wetted — meaning exposed to the same amount of...
A couple of years ago, we published a method for making your own water recipes, using concentrated mineral solutions, diluted with deionised water, to make a range of waters with different hardness and alkalinity. This post updates this, with new recipes that allow you to easily target a specific GH and KH in your water.
Above and below the coffee bed This week, Scott Rao made espresso with filter papers above and below the coffee bed yielding over 25%. What's he playing at? If you follow Scott Rao’s series of daily coffee tips on Instagram, you’ll have seen one recent post where he...
Decades of trial and error have shown that most people prefer espresso extracted between 85-95°C (A Illy and R Viana, 1995). For lighter roasted, special coffee, the range typically used is rather narrower – 90-95°C. Within that small range though, there are still considerable variations in flavor to explore.
Dose is one of the fundamental variables of any brew recipe, yet probably the one that is most often overlooked. Most of us probably tweak the grind size or yield very regularly, but always use the same dose. In fairness, this is often for a good reason — it makes...
Any time you’re reading about chemistry, you’re going to come across chemical formulae and equations. You might well remember these from high school chemistry, but if it feels like a distant memory then this refresher might be useful. This post goes out to the BH Unlimited subscribers attempting the first instalment of The Water Course.
The Maillard ‘reaction’ is actually a whole series of chemical reactions that are crucial to creating the characteristic flavours and brown colour of roasted coffee and many other foods – including chocolate, toast, and grilled steak. The reactions are named after Louis Camille Maillard, a French doctor who first described them in 1910.
‘Seasoning’ of a group head refers to the practice of making one or more ‘sink shots’ after cleaning an espresso machine - that is, shots that are thrown away with no attempt to taste them. Advocates of seasoning claim that the first shots have an unpleasant metallic...
At the beginning of 2017 I posted my predictions and promises for the year. Here’s my report on how they stood up over the 12 months (ratings out of 10).
Here’s what I’m promising we’ll knock out of the park for 2018.
In August we posted a survey to the Barista Hustle Facebook group. Along with our community moderators, we were thinking how to be more active and intentional about fostering a community environment, one which every single human feels safe and comfortable participating in.
Coffee brewers— both professional and enthusiast— love to make things complicated. Complex multi-step brew recipes and brewing devices with some unique feature have become standard. Fancy new features on espresso or brewing machines are demanded without any evidence of their necessity (hello pressure profiling).
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