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Roasting with the Gene (CBR-101) Home Roaster

Roasting with the Gene Home Roaster is easy. The challenge (and therefore the fun) begins when you start to find the best roasting profiles for the Gene Roaster and roast the coffee just the way you like it. Below are two suggestions to get you started, as well as a selection of possible Gene roasting profiles for different coffee beans.

Read more

Roasting with the Gene (CBR-101) Home Roaster

Roasting with the Gene Home Roaster is easy. The challenge (and therefore the fun) begins when you start to find the best roasting profiles for the Gene Roaster and roast the coffee just the way you like it. Below you will find two suggestions to get you started, as well as a selection of possible Gene roasting profiles for different coffee beans.

Read more

Standard Roasting with Gene Café CBR-101

1. Insert the empty glass bulb, press the blue on-off button, set a time of approx. 6 minutes and a temperature of 200°C. Let the roaster heat up until the temperature reaches approx. 200°C.


2. Press the red button until an "E" appears on the display. Remove the bulb, preferably with a cloth or oven glove. Caution, it is extremely hot.

3. Fill 200 to 250 grams of green coffee beans into the container. Do not exceed the marking. Secure tightly, close the lid, and set a roasting time of 19 minutes with the blue button, set a temperature of 240°C with the red button, and start the roasting process with the red button.

4. The coffee is now loaded with heat, dried, and then taken directly into the roasting process. You will see the current and final temperature alternately blinking. You can adjust the temperature and time during roasting. However, we recommend not interfering during the first roast, but simply observing what happens.

5. Sometimes it is difficult to hear the cracking in the Gene roaster. However, you will notice that the beans significantly increase in size in a short time, many husks loosen, a distinct roasting smell is noticeable, and you can observe the colour of the coffee through the large glass.

6. After the first crack, wait until you have reached the desired roast level.

7. Once the roasting is finished, remove the bulb with an oven glove, pour the beans into a sieve, and turn them with a wooden spoon or similar to cool the coffee.

Try how the coffee tastes at the same roast level when you increase the temperature to 250°C and roast for a shorter time.


geroestete kaffeebohnen in tasse

Roasting profiles for various types of beans

Roasting profiles for different coffee beans

In the video you will learn how to roast with the Gene

Green coffee beans for roasting at home

Our recommendations

Green coffee beans
for roasting at home

Our recommendations

Brazil Catuai & Bourbon Santos

Average rating of 5 out of 5 stars

Flavour of chocolate and almonds
Weight

CHF 21.90*
Colombia Maragogype

Average rating of 5 out of 5 stars

Taste of spices, dried plums, and marzipan
Weight

CHF 24.90*
Costa Rica anaerobic Tarrazú
Flavour of candied orange and red berries
Weight

CHF 25.90*
Direct: Guatemala anaerobic

Average rating of 4.7 out of 5 stars

Flavour of candied orange and red berries
Weight

CHF 24.90*
Ethiopia washed Yirgacheffe

Average rating of 4.8 out of 5 stars

Taste of black tea, citrus fruits, jasmine, and apricot
Weight

CHF 18.90*
India Monsooned Malabar

Average rating of 5 out of 5 stars

Taste of nuts and spices
Weight

Content: 0.8 kg (CHF 19.88* / 1 kg)

CHF 15.90*
India Robusta Kaapi Royale

Average rating of 4.6 out of 5 stars

Robusta - Taste of nut and chocolate
Weight

CHF 15.90*
Indonesia Sumatra Lintong

Average rating of 5 out of 5 stars

Flavours of spices, dark chocolate, grapefruit and passion fruit
Weight

CHF 17.90*
Kenya washed SL-28

Average rating of 5 out of 5 stars

Flavour of rosehip, orange and cranberry
Weight

CHF 26.90*
Organic & Direct: Ethiopia natural Yirgacheffe

Average rating of 4.6 out of 5 stars

Taste of jasmine, berries, jam
Weight

CHF 24.90*

More questions? We're here for you.

Do you have more questions about coffee, roasting, or our range? Feel free to call me anytime or send me an email. As a home roaster, SCA certified roaster, and member of the Roasters Guild of Europe, I am familiar with the equipment and coffees from my daily work:

Phone +41 76 261 97 17 or email ingo[at]roastrebels.com

ingo roast rebels

More questions?
We are here for you.

Do you have more questions about coffee, roasting, or our range? Feel free to call me anytime or send me an email. As a home roaster, SCA certified roaster, and member of the Roasters Guild of Europe, I am familiar with the equipment and coffees from my daily work:

Phone +41 76 261 97 17 or Email ingo[at]roastrebels.com

ingo roast rebels
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