(That is Research and Development for you non lab coat wearing folk.)
This week it has been trying out a new way to brew coffee. Cold brewing. The method involves slowly brewing coffee (12 hour brew time) using cold water to create a concentrate. This concentrate can then be used in many ways to create coffee drinks.
Why do this? This method is said to create a coffee that is free of oil and 67% less acid than most other coffee. People who like coffee but have heartburn issues seem to prefer this method since it removes the acid from the coffee. It also has less caffeine than more traditional methods of brewing coffee.
On the downside is the cost. It takes a lot of beans to make a carafe of concentrate. One pound of beans creates 48 ounces of concentrate. It is recommended to use a 1 ounce of concentrate to 3 ounces of water. Though in my testing that makes a weak cup of coffee. Seems a 1 to 1 is a better ratio.
So far I have tried just regular hot coffee. (3 ounces concentrate to 9 ounces hot water) And this morning tried a latte with it. (4 ounces concentrate to 8 ounces steamed milk.) The coffee was very smooth but leaning toward the bland side. Same goes for the latte. That is why I think the amounts need to be tweaked. Though I was still able to get good latte art out it even with no creme. (they say it can't be done.)
So if you stop by Joe's in the next couple of days and want to try a drink made from our cold brew experiment just let us know. We need some feedback to see if we want to make it part of the menu.
(you can read an article about the method here.)
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3 comments:
Okay, I'm trying to do the math here. If one pound of beans makes 48 ounces of cold brewed concentrate, and you blend the concentrate at a 1:1 ratio you'll have 96 ounces of coffee, or 16 6-ounce cups. At the recommended 1:3 ratio, you'd have 192 ounces/32 cups.
How much brewed coffee do you get per pound of beans using a French press?
Also, you had mentioned in your French press post that one of the reasons a French press made better tasting coffee was that the oils were not filtered out. If the cold brewed coffee contains no oils, how does its taste compare to the French press coffee?
It takes just a tad over 2 ounces of coffee beans to make 40 ounces of coffee.
Taste compare? The cold brew is very smooth and dare I say borderline bland. I think for us who are used to drinking french press it lacks the kick we are used to. I've been playing with different ratios and yet to find one I am happy with.
Though a lot of people who have tried the cold brew really like it. For me a good analogy is steak. French press is the rare to medium rare of coffee and cold press is the medium well to well done. Not sure if that makes sense in print but it makes sense in my head. :)
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