Introduction:What kind of spark is created when traditional ingredients meet modern coffee? Following the heated online discussion sparked by a coffee shop in Nanchang, mainland China, that introduced century egg coffee, this cross-boundary trend quickly spread to Hong Kong, Macau, and Taiwan. Taiwanese netizens tried incorporating century eggs into iced lattes at convenience stores, followed by Hong Kong enthusiasts who conducted reviews, while Macau coffee drinkers took it a step further by upgrading to a salted egg version. This article compiles feedback from real-world tests across regions, analyzes the differences in acceptance of this controversial drink, and offers expert-tasting suggestions.

Coffee lovers’ exploration of innovative pairings never stops. The century egg coffee launched by a coffee shop in Nanchang, mainland China, once sparked online debate, and the heat around this cross-industry experiment has not faded with time, but instead triggered a new wave of challenges in Hong Kong, Macau, and Taiwan. Taiwanese netizens were the first to conduct experiments in convenience stores, chain coffee shops, and even on the streets, trying to blend century eggs with iced lattes, with reactions sharply divided.

Sanli News in Taiwan once conducted a fun test: without revealing the presence of century egg, they invited passersby to try this special coffee. Most participants said after a few sips that its texture resembled the chewy feel of grass jelly, and the egg flavor formed a subtle balance with the bitterness of the coffee. However, some consumers keenly detected a peculiar smell from the yolk.Especially for those sensitive to ammonia, there was often an immediate sense of aversion after the first sip.On-site photos showed that some tasters eventually chose to give up drinking it.

Notably, the creativity of Taiwanese netizens didn’t stop there. Social media circulated a “special way of eating” that paired a whole century egg with instant noodles, and this unconventional combination sparked enthusiastic discussion. Some participants described this pairing as something “you need a lot of courage to accept,” suggesting newcomers start with a small amount of century egg to get used to it.

The test results in Hong Kong showed a similar trend to those in Taiwan. Local netizens reported that the century egg white itself is almost flavorless with a slight whiff of ammonia, but this could be partially masked by the rich texture of the coffee. Professional baristas pointed out,the low temperature environment of iced lattes can effectively reduce the volatility of the distinctive odor of century eggs.This is a key reason why the combination is better accepted in cold drinks. However, consumers who have no particular fondness for century eggs generally remained reserved.

The attempts by Macau netizens took this experiment to a new level — they not only recreated the century egg coffee, but also developed a salted egg coffee version. This upgraded combo leverages the oily properties of salted egg yolk to create a richer and more layered taste. Some participants described its flavor as “like coffee with a lava custard bun,” with the interplay of sweet and salty complexity becoming a focus of discussion.

Photos taken during the testing process showed, that consumers in different regions had varying reactions to this innovative beverage. In on-the-spot tests on the streets of Taiwan, some interviewees gradually adapted to its special flavor after a few deep breaths; while the comparative test in Hong Kong revealed that younger age groups showed relatively higher acceptance. These observations provide interesting insights into regional dietary culture differences.

For coffee lovers planning to try it themselves, professionals recommend starting with a small amount of century egg to test adaptability.The best practice is to dice cooked century eggs and first mix them with a small amount of fresh cream to observe the flavor reaction,then gradually adjust the ratio with coffee. Special attention should be paid to the fact that the alkaline substances in century eggs may affect the extraction balance of coffee; it is recommended to use dark roasted beans to achieve a thicker flavor base.

The above content is compiled by CoffeeHunters, a coffee news website.