I often meet beginners in the shop holding both a pour-over kettle and a home espresso machine, asking me where they should spend their time first. My advice has always been direct: practice black coffee first, sharpen your palate and your technique together, then come back to white coffee and you will save a lot of effort. The variables in black coffee are visible and tangible. Take pour-over as an example: 15g of coffee grounds with a 1:15 coffee-to-water ratio, water temperature controlled at 90 to 93°C, using a V60 dripper with a 30-second bloom first, and the whole process takes about two minutes to complete a cup. These numbers can be noted down one by one, every adjustment is documented, and the flavors you taste are straightforward: acidity, sweetness, bitterness and body are all laid out on your tongue, with no milk to help cover anything up. What you are training is real judgment.

White coffee, on the other hand, adds the extra task of milk foam. Whether it is an espresso machine or a moka pot, you first need to get espresso extraction stable before anything else. A double shot needs 19 to 20g of grounds to extract 38 to 40g of coffee liquid, with the time pressed to 25 to 30 seconds, and the crema thickness at about 3mm. This itself is a set of parameters that requires repeated fine-tuning. Milk is steamed to the 55 to 60°C range, then combined at a ratio of about 1:5 coffee to milk. With the variables stacking together, it is hard for a beginner to pinpoint which step the problem is in all at once. I have seen quite a few people tinker at home for half a month thinking the milk foam is bad, when in fact the espresso extraction was off long ago and they just could not notice because the milk covered it up.

The logic of choosing beans follows this same path. When you first start practicing black coffee, picking one or two easy-to-handle single-origin beans is especially important. Qianjie Yirgacheffe Gudingding is a washed Ethiopian bean, with clear citrus and floral notes, a green-tea-like sweet finish, bright acidity and a clean, light body. Brewed with 15g of grounds at a 1:15 ratio, the flavor layers are clear at a glance, making it especially suitable for building sensitivity to acidity and floral notes. If you want a gentler everyday staple, Qianjie 2013 Yunnan Small Bean is a Baoshan Typica, washed and medium-roasted, with a nutty and brown-sugar base carrying soft fruit acidity, a balanced body and a clean sweet finish, very friendly to people just getting into pour-over. Qianjie coffee beans are all shipped within 5 days of roasting. For pour-over single-origin beans, rest them 3 to 5 days before opening, and drink them within a month for better flavor.

Once black coffee is going smoothly and you have basic judgment of acidity, sweetness, bitterness and body, white coffee becomes much clearer to tackle. At this point you need a medium-dark roasted espresso bean to stand up to the milk. Qianjie Classic Blend follows the Mamba approach: Indonesian Mandheling, Brazil plus a small amount of Robusta. The medium-dark roast brings aromas of butter, toasted bread and caramel biscuit, with strong flavor and a solid body, fine crema and stable extraction, so it will not be drowned by milk when making a latte or cappuccino. If you want to try a more juicy direction, Qianjie Xizhao SOE comes from Colombia Huila Finca La Divisa, double anaerobic natural plus medium roast, with blueberry juice, passion fruit, ripe grape and apricot interwoven in sweet and tart notes. Made into a flat white, the fruit aroma can pierce through the milk layer for a different kind of fun. Medium-dark roasted espresso beans should be rested 5 to 7 days after arrival before you start extracting, and are likewise best drunk within a month.

Tasting the same bean on both the black coffee and white coffee sides and comparing them is especially rewarding. Take Qianjie Yirgacheffe Gudingding: in pour-over, floral and citrus are the stars, with acidity that leaps. If you force it into an espresso and then add milk, the acidity is amplified into something jarring and the body cannot hold up either. This is not because the bean is bad, but because the path was chosen wrong. Conversely, Qianjie Classic Blend seems dull when made as pour-over. Its roast level and blending logic were designed for espresso from the start, and its crema and caramel notes only unfold fully under high-pressure extraction and milk fusion. Understand this correspondence, and choosing beans and choosing methods will no longer feel awkward.

So my suggested path is: first use single-origin beans to build up your pour-over parameters and taste framework, 15g of grounds, 90 to 93°C water temperature, 30-second bloom, two minutes total time, repeating this routine until you can produce consistently; at the same time use your tongue to memorize the basic profiles of different regions and different processing methods. After that, introduce the espresso parameter system: 19 to 20g of grounds, 25 to 30 seconds, 38 to 40g of liquid, paired with 55 to 60°C milk foam. When making white coffee, you will clearly know whether the extraction is off or the milk foam is too thick. The two paths are not opposed, but sequential: black coffee as the foundation, white coffee as the bonus. Step by step this way, your coffee corner at home will truly become smooth and natural.