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Does an immersion brewing machine exist? (lemmy.world)

submitted 1 month ago by psilotop@lemmy.world to c/coffee@lemmy.world

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My family and I drink pretty much every style of coffee regularly, but the favorite by far is iced coffee brewed hot into ice using a Hario switch. (James Hoffman's recipe that includes the ice in the recipe). It tastes the best to everyone and it can be made cold in less than 10 minutes (unlike cold brew, which has to be made ahead of time).

The problem I have now is that everyone enjoys it so much that I make a minimum of 6x 500ml batches per week and it's just labor intensive. All I really need is a machine that does immersion brewing and lets me set a "steep time" after pre infusion. I love my regular coffee machine but it has no mechanism to hold the water in.

Does such a thing exist? I can't find anything that is not manual. I've tried a larger French press with a paper filter but that gets messy quickly. Any suggestions?

Thanks ☕

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[–] godot@lemmy.world 1 points 1 month ago* (last edited 1 month ago) (1 children)

Our chat got me curious, I had some time, and no coffee yet today, so I tried it.

https://i.imgur.com/FcJx6lf.jpeg

https://i.imgur.com/0roegdm.jpeg

https://i.imgur.com/sxu3ZcR.jpeg

I don’t know Lemmy markdown, so I hope those are visible.

I brewed 90g coffee (some forgettable Ethiopian stuff I didn’t like) and 800g water at 95c in that pot. Poured through that filter over 500g ice. Drawdown was 2:05, so pretty fast. This will easily scale to two or three times this size. Even larger would be doable.

The result is excellent. Cleanup is extremely easy. Far, far better than these beans were hot. I’m kind of surprised how good it is considering this is just slapped together and not adjusted at all for the scale.

It makes me wonder what the point of an actual coffee machine is.

[–] psilotop@lemmy.world 1 points 1 month ago (1 children)

Lmao your last line hits so hard. I'm starting to realize that the machines are just vessels, most of the variables are controlled by us.

That's so cool! I love the idea. I guess my main motivation for doing all of this is to minimize the time and the cleanup - your experiment hits both goals nicely. Thanks for trying!

The recipe I use is 38g coffee for 330g water over 170g ice. Not too different from what you did.

[–] godot@lemmy.world 1 points 1 month ago (1 children)

I realized I had a typo/brain fart; I used 90g coffee. I was targeting a standard 60g/l ratio with the water cut back per Papa Hoff’s tutorial.

[–] psilotop@lemmy.world 1 points 1 month ago

Ah gotcha. For the cold recipe he increases it since iced coffee tastes weaker. I tried 60g/l and 76g/l and I definitely prefer the higher dose with cold coffee. It's worth a try.