We love to sell the latest coffee making technology. However, we still remember how coffee was made back in the old days:
Start with freshly roasted coffee. For this, roast green beans in a cast iron frying pan. Keep in mind that roasting coffee can be dangerous as coffee beans contain oils and can easily catch on fire...
Don't do this on the stove in the kitchen. Instead roast coffee outdoors on a bonfire, fire pit or BBQ:
Also keep in mind that during the roasting process a lot of smoke will come off the coffee beans.
It will not be possible to achieve an even roast. There will be some lighter colours left over. Don't roast too dark, otherwise the full aroma of the coffee will be over powered by bitterness.
Once the desired colour has been reached, remove the beans from the pan and FORCE the cooling in another cold pan or aluminium tray. If this is not done, the coffee beans will continue to roast by themselves.
When done, just pick out the green and lighter colours as they will taste sour in the coffee.
In the next step we need hot water to extract the aroma of coffee. For this, we also need to enlarge the surface area of the coffee. Boiling whole coffee beans wouldn't yield much aroma.
In many coffee growing regions, they still crush coffee beans in a wooden bowl:
Now that we have ground coffee, we bring water to almost a boiling point and add the grounds to the water. The more we add the stronger the coffee.
The longer we boil coffee, the more bitter it becomes. 3 minutes is a good guide line for this.
Now that you read this story, you understand the basics of coffee making:
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Use freshly roasted Coffee
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Grind just enough coffee for the current brew
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Use the right amount of ground coffee
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Use fresh filtered water
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Use the correct brewing temperature
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Pay attention to the extraction time