Roasted coffee beans

Roasting unroasted coffee beans

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On Monday, I ordered some coffee beans from Rave Coffee. To my surprise, they were green and unroasted. When purchasing these beans, I had no idea what I ordered, which isn’t like me when I’m buying coffee beans.

First roasting attempt

Yesterday morning, I decided to try and roast a batch in my oven. I set my oven to 200C and kept a close eye on them. I read that you need to listen out for a popping sound to signify a light roast. A second popping sound means it’s now a dark roast.

However, this didn’t go to plan, and I couldn’t hear any popping sounds. It might have been because of the oven fan or because I was feeding my cats, and there was a lot of noise. Also, it might have been because of the fact they weren’t in there long enough. The whole situation wasn’t perfect, and I was playing a big guessing game.

Some beans looked very dark, while others seemed very light and possibly under-roasted. I thought that overall, it would have been okay, but it wasn’t. I had my second coffee using this batch of roasted beans, and it was pale and tasted like the beans weren’t fully roasted.

Second roasting attempt

For my second roasting attempt, I decided to use a large frying pan on a hob and see how it would fair. It seems to have worked a lot better than placing them in the oven. I used a smaller batch, and it seemed to cook through without burning.

Third roasting attempt

I still had beans leftover from the second batch, so I tried to put them in the oven again at a lower temperature of 150C. The outside looked a lot better, and the beans maintained an even roast. However, I still don’t think it quite got to the middle enough, and they still smell undercooked which is unfortunate.

Fourth roasting attempt

Today, I will attempt a fourth roast but using a coffee roasting machine purchased from Amazon. We’ll see how it goes, and I’ll keep you updated on the process. Hopefully, I will maintain a better, more equal roast, but we’ll see.


So far, I haven’t done very well when it comes to roasting beans. However, I’m keeping a positive attitude, and I’m hopeful the next batch will fair a lot better. I’ll write another post to show how my process went with the fourth and fifth batches.

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2 responses to “Roasting unroasted coffee beans”

  1. […] Roasting unroasted coffee beans […]

  2. […] blended for different filter types. You can also choose unroasted if you want to roast from home. (Click here to see my accidental purchase of unroasted beans). Or you can purchase roasted in a massive variety of roasting strengths and flavours. There’s […]

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