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Home Roasting Education This section of the http://www.roastabean.com/web site is devoted to being a resource to assist in your knowledge of home coffee roasting. How to Roast Coffee Coffee roasting is a straightforward process - and using both audible and visual cues, you will be able to easily and consistently product great roast results.
Step 1: Measure the volume of beans Based on the roaster you are using, use the proper ounce of beans for which the roaster was designed. This is outlined in the instruction manual that comes with each roaster. Step 2: Use a clean Roaster Make sure that your roaster is clean and ready for the roast. Step 3: Determine the Roast Style and appropriate Roasting Time Each roaster will have slightly different roasting times recommended for various roast styles. Using the manufacture's recommended roasting guideline, set the roaster controls for the desired roast. Step 4: The Roast
During the roast, you will notice the beans begin to change color. As the beans heat up, moisture will be extracted by the heat and causes the bean to expand. The beans will start to carmelize and begin to turn brown. Depending on the roaster, you will hear a pop or crack sound within the roasting chamber which is called the first crack. At this point the beans begin to fracture and chaff. This will stop for a brief period and then a second crack will begin. When the second crack starts, all the moisture will have been roasted out of the beans. Step 5: The Cool Down
Once the beans have been roasted at the set time for your roast style, they will need to cool down in the roasting chamber. Depending upon your home coffee roaster you may have the cool down time built into your roast time. Step 6: Degassing of the Roasted Beans
During the next 12-24 hours, the fresh roasted beans will produce a some amount of gasses and will also develop a few flavors that are not present immediately after roasting. After the cool down and degassing process you should store your beans at room temperature in an air tight container. After about 10-14 days, your beans will start to lose noticeable freshness and flavor. Roast A Bean has a roasting journal chart that can be downloaded and printed off for your use. Click on Roasting Journal to download. Blending Arabica coffee varietals from various coffee growing regions possess their own distinct aroma and flavor characteristics. Blending different coffee varietals can create new flavors. From blending beans from different varietals to beans from the same varietal with varying times of roast, you will find it is truly an art form. When considering blending, you must first understand the characteristics of the various varietals you will considering blending to determine how they might impact each other. It is highly recommended to roast the green beans separately then combine them after the roast for your blend. Every lot of green beans will have different density, moisture and bean size that will develop at different times during the roast if mixed together for the roast. Start with a base varietal for your roast and add to that base varietal. We would recommend you be careful with a dark roasted coffee in your blend. The darker roast may overpower the other coffee varietals roasted at lighter roast and impart the characteristics of the dark roast onto the other varietals. Once you have created a blend that you enjoy you should create the profile to ensure you can recreate the roast each time. We have created a Blending Chart you can use to record your blend. By clicking on Roast Journal Chart or Blending Chart you will be directed to a page you can print off to record as many blends or roast you want to record. |
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