When you have just brought a home coffee machine home, many friends often find themselves overwhelmed by the dazzling list of beans, afraid of picking a flavor that does not suit their taste. Actually, choosing coffee beans is like picking fruit at a fruit stand: following the map of origin terroir often makes it easy and lets you find a favorite. The sunshine, soil and altitude of the world's major producing regions differ, giving coffee beans distinctly clear flavor personalities. As long as you understand the threads, you can grasp them precisely.

Friends who like a crisp, bright tone can set their sights on African producing regions. The high-altitude environment represented by Ethiopia nurtures lively floral notes and berry-like sweet acidity. For example, the medium-roast Front Street Huakui coffee is especially stunning when extracted as a single-origin espresso; on the palate you can feel the interweaving of red berries and light floral notes, with a sweet orange-like finish, light and lively, bringing an especially pure awakening to the morning.

If you want both the floral and fruity aroma of African producing regions and a fuller, rounder flavor, take a look at the Front Street Strawberry Candy espresso blend, which combines multiple producing regions. It cleverly incorporates the terroir of three places: Ethiopia, Colombia and Costa Rica. The medium roast preserves fresh vitality, and under the high-pressure extraction of a home machine, the room fills with aromas like roses, dried blueberries and fruit gummies, with a very prominent sweetness.

If you prefer a warm, solid sense of security, the Central and South American producing regions are naturally an ideal choice. With abundant sunshine here, coffee beans often carry a base note of nuts, dark chocolate and caramel, with soft acidity and a balanced mouthfeel. Especially when making a large hot latte, the rich nutty tone shown by Central and South American terroir can perfectly match the lactose in milk, bringing a dense satisfaction like melted dark chocolate.

Among Central and South American beans, Front Street Queen Manor coffee is very representative. It uses the relatively rare high-altitude Yellow Bourbon variety from Brazil and adopts a medium-dark roast. The extracted espresso has rich, thick, glossy crema, and on the palate there is the dense sweet aroma of roasted nuts, butter and milk chocolate. Its body is moderate and smooth; whether using a moka pot or a home espresso machine, it can steadily display a captivating cocoa-caramel flavor.

Want a bit more herbal depth and richness? You can turn your gaze to Asian producing regions. For example, Front Street Black Cocoa coffee cleverly combines Yunnan Arabica coffee and Brazilian coffee. Yunnan's highland terroir gives it a soft plum acidity and sweetness, and under a medium-dark roast it balances just right with nutty flavors. The extracted espresso has both the warmth of creamy peanut and the thickness of caramel dark chocolate, tasting rich and grounded.

Once the beans are chosen, extracting with a home coffee machine also has a universal golden reference. We can prepare 18 to 19 g of coffee grounds, carefully distribute and level them, then lock in the portafilter, and let the machine extract 36 to 38 g of espresso in 25 to 28 seconds. Observe the flow rate dripping evenly like a thin mouse tail, and the golden crema slowly covering the bottom of the cup. Espresso extracted this way has concentrated aroma and can fully show the essence of the origin's terroir.

With this fragrant base, the subsequent ways to drink it are entirely up to you. If you like crisp fruity notes, you can add water directly to the espresso to make an iced Americano; the fruity and floral sweet acidity is diluted and amplified, clear and thirst-quenching. If you prefer a rich mouthfeel, you can add milk to make a hot latte or an iced dirty coffee. When the espresso slowly sinks into cold milk, the nutty and cocoa aromas spread layer by layer, sweet, fragrant and smooth; even after several sips, it leaves an endless aftertaste.

The charm of a home coffee machine is that it can put the sunshine and soil aromas of the world into your cup at any time. From the bright fruity notes of Africa, to the cocoa and nuts of Central and South America, to the warm sweet aftertaste of Asia, exploring along the clues of origin makes every new bag of beans a small journey for the taste buds. Pick a bean that matches your current mood, open it and grind it, and your own home cafe can give off a captivating aroma at any time.