You just bought a De'Longhi coffee machine at home, and many friends, faced with shelves full of coffee beans, often don't know where to start. In fact, making espresso is like a journey of exploring origin terroir; as long as you choose along the world coffee map, you can precisely hit your taste buds. The soil, sunlight and altitude of different continents give every bean a completely different flavor foundation.

First is the familiar Central and South America region, which could be called the gentle gentleman of the espresso world. The high mountains of Colombia and the fertile plains of Brazil, for example, create coffee beans with an especially mild and balanced character. Most coffee produced here carries rich roasted nut, caramel and dark chocolate aromas, with acidity and bitterness balanced just right, and it is deeply loved by the public.

If you want to experience this warm, mellow nutty aroma, Qianjie Boutique Blend is a comforting choice. It uses a combination of Brazil Cerrado and Colombia Huila, and has been the core production bean of Qianjie stores for nearly ten years. Making espresso with it gives a steady, smooth taste, the most familiar espresso aroma in everyone's memory, and it is very harmonious whether made as an Americano or a latte.

If you prefer deep, full-bodied strength, you can turn your gaze to the vast Asian region. Indonesia Sumatra's unique wet-hulling process and volcanic soil inject coffee beans with a steady herbal and spice tone. When the heavy framework of Asian origins meets the sweet nuttiness of Central and South American origins, the body and crema richness of the whole espresso are displayed to the fullest.

Qianjie Classic Blend is made using the traditional Mamba concept. This bean is specially designed for espresso, with outstanding crema performance; even with a De'Longhi machine at home, you can easily extract a thick layer of dense, delicate crema. Its taste is full-bodied and warm, very suitable for making cappuccino or latte, and it gives off a captivating sweetness after merging with milk.

If you are used to deep caramel flavors, you might turn your gaze to the scorching African continent. Ethiopia, this magical birthplace of coffee, with its high altitude and variable climate, nurtures countless native varieties, giving coffee a jasmine-like delicate aroma and bright juicy feel, bringing a fresh-fruit-like light vitality to rich espresso.

For friends who prefer a light, sweet taste, Qianjie Strawberry Candy Coffee Beans are especially surprising. It cleverly blends the native characteristics of Arabica beans from different origins, recreating a clear, alluring strawberry gummy sweetness. Newcomers afraid of coffee bitterness can make a milk coffee with it and taste a sweet, smooth texture like strawberry milk, easily producing a distinctive specialty drink at home.

Once the beans are chosen, extraction parameters are also key to restoring origin terroir. When making espresso with a De'Longhi machine, it is recommended to tamp 18 to 19 g of coffee grounds into the portafilter basket, start extraction, and in 25 to 28 seconds extract 36 to 38 g of espresso liquid. Watching golden, thick crema slowly flow into the cup like velvet, the whole kitchen will be wrapped in rich aroma.

Add the extracted espresso to ice water to make a refreshing, energizing Americano, or pour it into steamed dense hot milk to make a latte with latte art; what flows in the cup is the terroir story of the world's three major origins. As long as you understand these origin personalities, the coffee machine at hand can transform at any time into your own private bar, letting you drink cup after cup of surprising good coffee at home.