Filter coffee with a roasting machine (home roasting tutorial 3/4)

With a home roaster (or a convection oven) you can
roast both filter coffee and espresso .
The only difference lies in the roasting time .

We will explain each step to you in detail. in the video, which you can find below. Alternatively, you can find the description of the roasting process after the video.

How exactly do you proceed?

1. Prepare everything you need for roasting :
green coffee beans, roasted filter coffee as a reference, a home roasting machine, a cloth and a sieve (see the second part of our tutorial (for more details).

2nd place the sieve with the damp cloth inside in front of the home roasting machine.

3. Start them and Wait a minute until it preheats.

4. Then fill them with 50g green coffee beans .

5. Wait approximately 2 minutes. off and you will hear a soft crackling sound.

6. Compare then repeatedly with the reference coffee.

7. Once you have reached your preferred roast level (this can take between another 2 and 5 minutes depending on room temperature and amount of beans), you can remove .

8. Don't forget the beans immediately afterwards. to cool in the sieve .

9. Weigh the roasted beans at the end so you know how much weight they have lost.

What happens to the coffee during roasting?

First You will notice that the beans Color from blue-green to yellow They change. This is a sign that the beans are drying out and the water they contain is evaporating.

Thereafter do they dissolve silver skin They slowly fall off and onto the damp cloth. During this time, you will notice a gentle, pleasantly sweet scent.

As soon as When the beans turn brown, the aromas begin to develop and the Smell of caramel intensifies.

As mentioned above, you will after approximately... Crack the beans for 2 minutes Listen. From this moment on, the typical coffee flavor develops. You could take the beans out now and you would get a very light, mild, fruity, cinnamon-colored filter coffee receive.

However, you should try to achieve your target color using the reference coffee. From now on, it's just a matter of personal preference how long you roast the beans.

When can you enjoy your freshly roasted filter coffee?

Wait at least one day until you taste the coffee.

Until then, the vapor produced during roasting will escape. Carbon dioxide , which masks the true taste of the coffee. Of course, it is perfectly safe to drink the coffee beforehand. Additionally, the Bouquet of coffee aromas over time and some even prefer to wait a week or more before drinking their coffee.
We recommend waiting different amounts of time before tasting your home-roasted coffee. This way you can compare the results and decide for yourself which one you like best.

How should you store the coffee?

As with any food product, you should roast the coffee
not in direct sunlight or simply leave it outside
but in a airtight and opaque can store.

The beauty of home roasting The advantage is that you can only roast what you plan to drink within the next week. Therefore, you don't need to worry too much about storage.

That was the Part 3 of our coffee tutorial for home roasters . This series teaches you everything you need to know to easily roast delicious coffee yourself. This marks the beginning of a new journey. A magnificent culinary journey for you. There is a [link/reference] for each part of the tutorial. Accompanying video .
We hope you enjoyed it.

In the next Part 4 you will learn, How to roast an espresso in a convection oven.