Dark roasted coffee can be delicious, but it can also sometimes taste bitter or ashy.
Make a better, smoother cup of dark roast coffee by adjusting the brewing temperature.
It tasted bitter and ashy.
At 195 F, the coffee was smoother and was no longer bitter.
This problem can be solved by increasing the amount of coffee used in the brew.
Another path is to extend the brew time by 30-60 seconds.
Really, dark roasted coffee doesnt have to taste like a cup of liquid ash.
Hacking Dark Roast - Tips on Brewing a Better Bold Coffee| I Need Coffee
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