I noticed that under certain roast conditions that I can't always repeat I get shiny beans. Ok, if you push the roast into second crack it seems quite normal to get a shiny finish but I'm getting a shiny finish with a medium roast and I'm not sure if this is good or bad.
I think this shiny finish is as a result of a fairly fast roast time but at least a fast second half.
Let me explain, this occurs only when I'm using my popcorn roasters, I have one at 800 watts that tends to be a little underpowered and one at 1200 watts that is a little over powered so I start the roast in the small machine until first crack at around six minutes then throw the beans into the larger machine at about ten minutes but stop before they start to crack again.
They usually get nice and shiny with a medium brown colour, tastes good but everything tastes good when you still have flash-backs of supermarket coffee.
So, shiny beans or slow the roast down for a matt finish ?