Anyone who drinks espresso has more or less heard this saying: blends are the insurance policy for crema. Single-origin beans have distinctive character, but their crema performance is inconsistent, while blends, through the pairing of base beans and flavor beans, solve body, sweetness and aroma separately, then combine them into a formula that reliably produces crema. Once you understand this logic, you won't get lost when choosing beans.

Base beans are usually played by low-acid, full-bodied beans. Brazilian beans are a common foundation, with a mild nutty and creamy profile and a solid body; Indonesian beans bring grassy and heavy mouthfeel, while robusta contributes extremely dense dark crema. Flavor beans are responsible for layering aroma on top, such as the citrus notes of Ethiopia or the caramel sweetness of Colombia. With different ratios, the color and texture of the crema on the cup surface are completely different.

Qianjie Classic Blend is a typical representative of this approach, with Brazil as the base, paired with full-bodied beans; the crema is dark brown, dense, with clear tiger-stripe patterning. Made into an americano, the aroma lingers; made into a milk coffee, it stands up to the milk even more. Its crema style leans heavy, with a steady sweetness of dark chocolate and nuts on the palate.

Qianjie Specialty Blend takes another path, with arabica as the star; the crema is golden and translucent, with fine bubbles, slightly less thick than the classic formula, but it wins on a clean mouthfeel and lively sweet-tart acidity. People who like straight espresso and also want a beautiful layer of crema on the cup surface will really enjoy this balanced style.

Qianjie Black Cocoa Blend maxes out the intensity; the dark-roast formula makes the crema so thick it almost clings to the wall of the cup, with the bitter-sweet interweaving of cocoa, dark chocolate and caramel. Made into a piccolo or cappuccino, it has real presence. Qianjie Strawberry Candy Blend is the fruity route among blends; the special processing method brings an intense strawberry candy aroma, and the crema carries a pleasing sweetness. When made into a dirty coffee or iced milk coffee, that fruity aroma rises along with the crema, with clear layers.

Comparing them, it's easy to see that the crema differences among these blends actually correspond to different ways of drinking. For heavy milk coffees, choose a deeper body; for straight drinking, choose golden and fine; if you like fruity aromas, pick a special-processing formula. After buying them, keep the dose and grind fixed, and compare the cup surface of several beans side by side; the crema's color, thickness and dissipation speed will be obvious at a glance.

Choosing blend beans is ultimately about choosing a formula customized for your taste. Starting with these blends of very different styles, observe their crema performance on the same machine, and you'll quickly figure out your own preferences; from then on, you'll have your own yardstick for choosing beans.