The roast level changes the flavor focus and extraction rhythm of coffee beans. Light roasts usually retain more floral and fruity aromas and bright acidity, medium roasts tend to present sweetness and balance, while dark roasts lean toward nuts, cocoa and a fuller body. There is no hierarchy among them; the key is whether they match the way you drink coffee.

Pour-over flavor is mainly determined by the origin, variety, processing method, roast level and brewing parameters together. Light-roasted beans commonly show floral and fruity notes, while medium-roasted beans have more prominent sweetness and body; water temperature, grind size and pouring rhythm change the order in which aromas are released, so you cannot judge by the bean name alone.

Around the direction of "Yirgacheffe coffee beans suitable for pour-over," you can first break the choice into several parts: flavor preference, commonly used equipment, drinking temperature and daily frequency of use. When sorting by roast level, it is worth first determining which factor you care about most, then using the other conditions to filter. This preserves individuality while also allowing the beans to show clear characteristics in actual brewing.

Qianjie Kenya Little Tomato has flavors of cherry tomato, smoked plum and brown sugar, with bright but not thin acidity, suitable for those who like juicy body and a clear finish.

Qianjie Kafa Forest often presents orange, ripe apricot and oolong tea sweetness that returns in the throat, with a light mouthfeel, and the sweetness becomes more obvious as the temperature drops.

Qianjie Grana Estate Geisha carries notes of orange blossom, guava, apricot and strawberry jam, with intense sun-dried flavors, suitable for observing layers with pour-over.

Beyond flavor direction, the roast date and storage method of the beans also affect actual performance. After opening, coffee beans should be sealed as much as possible and kept in a cool, dry place; buying according to daily usage makes it easier to observe flavor changes. When brewing, smell the dry aroma first, then taste the entry, sweetness and finish; if the aroma is insufficient, check whether the grind is too coarse or whether the beans have been stored too long. For the same bean, hot drinking and iced or milk-added versions may also perform differently; after recording parameters a few times, you can usually find a cup style that suits you better.

You can also consider "flavors you like" and "brewing difficulty you can accept" separately. Beans with obvious floral and fruity notes often require more careful control of water temperature, grind and pouring rhythm, while blends leaning toward nuts and cocoa are more suitable for daily drinking where stable output is sought. If multiple people at home drink coffee, first choose a balanced bean as a base, then add single-origin trials according to personal preference; this makes comparison easier than buying many beans of similar style at once.

For pour-over, you can first fix the coffee-to-water ratio and total poured water, with grind size as the main adjustment item. When the entry is sharp, check whether extraction is insufficient; when the finish is dry and astringent, reduce agitation or shorten contact time, changing only one variable at a time.

If the equipment you usually use, drinking habits or taste change, you can also divide the three beans into daily and exploratory categories: one for stable output, and the other for experiencing differences brought by floral and fruity notes, nuts and cocoa, or processing methods. Once the roast direction is set, fine-tuning through grind size, temperature and extraction time is often more effective than frequently changing beans.