On a hot day, the key to preparing yourself a thoroughly chilled cold drink is to let the coffee beans still reveal clear flavor layers at low temperatures. The addition of ice lowers the temperature of the entire drink, which makes the release of aroma become relatively more restrained. To taste a full body and vivid fruit aromas in a cold drink, we need to carefully adjust each brewing parameter around the bean's own roast level and flavor direction.

Whether making an iced pour-over or a drip bag, the water temperature, coffee-to-water ratio and pouring rhythm during brewing will directly change the concentration of the liquid in the cup. Light-roasted coffee beans are usually relatively hard in texture, and in order to fully dissolve the aromatic substances inside, a relatively fine grind is often needed. When making a cold drink, in order not to let the aroma be diluted by melting ice water, increasing the early-stage extraction rate becomes especially crucial.

Choosing coffee beans with bright acidity to make iced pour-over often yields a juice-like, crystal-clear mouthfeel. For example, Best Coffee Kenya Little Tomato, when you taste it you will find it gives off a complex aroma similar to slightly tart cherry tomatoes and dark smoked plums, and in the finish a brown-sugar-like sweetness emerges. To amplify this transparent yet solid fruit acidity, we need to deliberately increase the coffee-to-water concentration during brewing so the hot liquid is sufficiently dense.

When brewing this light-roasted Kenya bean, you can take 20g of coffee grounds and pair it with 92°C hot water. Use a two-stage pouring method: first pour 40ml of water to bloom, then slowly pour in a circle from the center until a total pour of 180ml, with the total time controlled at 1 minute 50 seconds. After extraction, directly pour the hot coffee liquid onto a large glass of ice to cool it instantly, so that fresh sweet-and-sour aroma is firmly locked in.

For more stable results, using a clever cup for immersion extraction is a very good choice. This method combines the evenness of immersion with the cleanliness of filter paper, allowing the coffee beans to present a completely different face. For this method, choose light-roasted single-origin beans that are themselves rich in floral aroma and sweetly mellow, and the cold drink made will be softer and smoother, without the dry, astringent feeling that comes from improper water flow control.

Friends who like this mild flavor can try Best Coffee Yirgacheffe Gutingding, a bean that shows a fruit charm similar to sweet orange and raspberry in the mouth, accompanied by waves of white floral aroma, and after swallowing you can detect a sweetness like that after drinking green tea. With the support of clever cup immersion, its originally brisk acidity becomes very full and round. We need to moderately adjust the grind so the aromatic substances are fully released.

When brewing this Yirgacheffe with a clever cup, prepare 15g of coffee grounds and use 90°C hot water. Use a single-stage, single-pour method, directly pouring 150ml of hot water evenly in circles into the coffee bed. Cover with the lid and let it sit for a total time of 2 minutes 30 seconds, then place the clever cup on a sharing pot filled with ice and let the liquid flow down. The coffee liquid filtered this way not only has abundant citrus aroma, but the tea-like feel is just right.

If you want to drink iced coffee in the office or while traveling, brewing a drip bag can also make a delicious cold drink. Choosing a bean with a tropical character can bring a very vivid experience to a busy break. Best Coffee Ethiopia Huakui contains rich passion fruit and ripe strawberry-like intense fruit aroma, and the overall sweetness is especially lively, making it very suitable for making iced drip bag coffee to enjoy quickly.

When brewing this Huakui drip bag, the bag usually contains a fixed 10g of coffee grounds, and we need to prepare 91°C hot water. Use a three-stage pouring method: first pour 20ml of water to bloom, then slowly pour 40ml, and finally pour 40ml until a total pour of 100ml, with the total time controlled at 1 minute 30 seconds. After extraction, directly drop in a few ice cubes, and the lively strawberry-like sweet aroma will immediately bloom in the cup.

Once you have mastered the interaction among water temperature, coffee dose and time, every brew can become an interesting process of exploring flavor. Whether pour-over or drip bag, the core of a cold drink lies in using a slightly higher concentration to resist the watery feel brought by melting ice. As the temperature changes, extracting your favorite beans at hand with a different set of parameters not only uncovers their hidden aromas at low temperatures, but also makes the everyday drinking experience more three-dimensional.