1. Introduction
Coffee roasting is an art, and mastering the right temperature and time is essential to creating the perfect coffee flavor. This article will explain how to roast coffee beans using a coffee bean oven and provide suggestions for different temperature and time combinations.
2. Coffee bean oven temperature range
First, it is important to understand how coffee beans change at different temperatures. Generally speaking, lower temperatures will produce a light, more acidic coffee, while higher temperatures will produce a full-bodied, more bitter coffee.
3. Correspondence between temperature and time
Next, we need to determine the time and temperature range required for each stage. The following is a common reference:
- Preheating stage: Before starting the formal furnace, preheat the furnace to 180°C-200°C and keep it for 5-10 minutes.
- Initial development stage: Lower the temperature to 160°C-180°C and roast for 10-12 minutes. During this stage, the coffee beans will gradually expand and begin to change color.
- Mid-development stage: Lower the temperature to 140°C-160°C and roast for 8-10 minutes. At this time, the internal structure of the coffee beans begins to change and produce aroma.
- Late development stage: Lower the temperature to 120°C-140°C and roast for 5-8 minutes. At this time, the oils of the coffee beans begin to release and form a smooth appearance.
- Cooling phase: Turn off the stove and let the coffee beans cool at room temperature for 15-20 minutes. This process is very important and can help to release the aroma of the coffee beans steadily and evenly.
4. Adjust according to taste
The above is a basic guideline, but every coffee has its own particularities and different taste needs, so try a few sample batches and fine-tune to your own preferences before committing to the real deal.
5. Notes
- The oven should be clean so as not to affect the taste of the coffee beans.
- Always provide adequate ventilation to remove fumes and odors.
- Monitor the temperature throughout the baking process and make minor adjustments as needed.
6. Conclusion
By properly controlling the temperature and time of the coffee bean oven, we can create a perfect roast. Hopefully, the guidance provided in this article will help you enjoy delicious homemade coffee at home!
