Posted Mon Dec 19, 2011, 7:23am Subject: Creating a roasting profile (Stove top roasting)
I am currently using a "Whirley-Pop" popcorn roaster to roast my beans. This thing is amazing! I can roast large amounts of beans at a time and can even roast in cold temperatures outdoors and still get an even roast. I would like to get my hands dirty and start creating profiles for each of the blends I buy green. The problem I am encountering is the temperature in the roaster always maxes between 220'F - 260'F. If I open the lid of the popper I can lower the temperature slightly but that’s it.. Does anybody have any ideas?
Posted Mon Dec 19, 2011, 12:37pm Subject: Re: Creating a roasting profile (Stove top roasting)
As someone who has roasted scores of pounds via stovetop stockpot and heatgun/dogbowl, I have found it not very contributory to try and create and follow a profile based on time and temperature. I did not think my temp data was particularly accurate so I roast only by sight and smell now. If you figure out a reproducible protocol, in view of the variables of stovetop stockpot, please post here. I would like to see your ideas.
Posted Tue Dec 20, 2011, 12:07pm Subject: Re: Creating a roasting profile (Stove top roasting)
This weekend I am going to try the commercial control route. I am going to roast at higher heat until first crack. Lower or cut the power to the element under the Whirley Pop and try and control the temp surf between the 1st and second crack. If I can get more than a minute of time between 190'f and 240'F building a profile should be pretty easy. Crazy enough I will be roasting in -0'C tempreture so this shoud be very interesting. My last roast was outside in +3'C and still reached 240'F no problem.
Posted Wed Dec 21, 2011, 6:24am Subject: Re: Creating a roasting profile (Stove top roasting)
I hope you are not using the heat source under the Whirley-Pop full blast and trying to control the temperature solely by raising the lid. With stovetop stockpot, I am adjusting the temperature of the stove heating element to control the roast. Varying the heat and constant stirring is the key to success with stovetop or HG/DB roasting.
Posted Thu Feb 9, 2012, 2:36pm Subject: Re: Creating a roasting profile (Stove top roasting)
Easy stovetop roast profile method.
Monitor and write down temp every 30 sec durring the roast. After first crack or your desired range of roast pour out approx 8g of beans every 30sec interval. After your roast grind and cup each small batch and taste. Once you have found the taste you like the best try and repeat each step and temp to achieve the same roast. Fine tune via temp using both the lid on the roaster and the switch on the stove to adjust the temp range.
Note: Start at a low temp for better control and a more even roast. I find that 3 is good.
A local cafe which is very popular uses this exact profile creation method with their commercial drum roaster for all of their coffee served.
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