Read any coffee aficianado blog or forum and you'll run across lots of commentary regarding the importance of a proper grind to get the best flavor from the whole beans you've purchased.
While these comments are most often seen as grind relates to espresso, it's equally important for drip methods.
To illustrate what can happen when an improper grind is used, I'll offer myself as an example.
This morning I (Rich) was personally guilty of user error. A couple of days ago, Michael Hoffman stopped by with a couple of small baggies of two coffees he picked up at Verve in San Francisco. There was less than 100g in each baggie, so we decided yesterday to brew up the Ethiopia Worka Wondo in a Cafe Solo, which used up 62g. The coffee was candy - ripe, sweet red fruits, lots of body, mild acidity. Delicious.
This morning, before his shift, Frank asked if he could have a cup with the rest of the beans. There was 24g left, so I thought we could do a short press pot of around 13 ounces. I thought I had changed the grind setting to coarse, but once I saw what was coming out, it was obvious I hadn't. It was a flat bottom filter grind.
We decided we'd see if we could salvage it by doing a 12 oz manual pourover as there was no choice but to use paper as a filter medium because of the finer grind. But even our pourover method would call for a coarser grind that what was in the filter. Given it was all that was left of the coffee, we brewed it anyway. Had it been for a customer, we would've said, "sorry, can we make you something else?". But it was Frank, so we made it an educational opportunity.
The resulting cup from the finer grind was grapefruit up front, higher acidity, more earthy, less balanced. Not so delicious.
If you buy a coffee based on the flavors you experienced at your favorite coffeehouse and find you're not getting the same flavors at home, it could very well be your grind (or your dose or your water, but those are different posts for a different day). If you're not satisfied with what you're brewing at home, ask your favorite barista for how they dose and grind at the shop.
We stopped carrying grinders here a couple of years ago. They're just too expensive for us to carry the ones we'd recommend. But if you really like coffee, you should consider investing a decent burr grinder, available from numerous sources.
For those interested in drip brew methods, you'll find links to both press pot and Chemex brewing methods in the right sidebar that we posted a few months ago. Both videos are from former World Barista Champion James Hoffman. James' suggested methods work very well, although you need a gram scale to follow along - but if you're serious about food as well as coffee, you likely already already own one.
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