Development Time Ratio (DTR): Beginner’s Guide to Sweeter Coffee Roasts
You roast a batch of beans expecting bright, fruity sweetness. Instead, you get flat, bitter sips that disappoint every time. Many home roasters face this issue because they overlook a simple metric called the Development Time Ratio, or DTR. DTR tracks how long coffee develops flavors after the first crack compared to the full roast … Read more