The taste and taste of black coffee may be different, depending on the type of coffee beans, baking degree, cooking methods and other factors. Generally speaking, black coffee has a strong aroma and a strong taste, and sometimes it may have some bitterness. If you buy high-quality coffee beans and cook them properly, the taste of black coffee should be more balanced, and there will be no bitterness or burnt taste.

As for the problem of sticking to the table when spilled on the ground, it may be because the coffee beans are not finely ground or cooked for too long, which leads to the rough texture of coffee grounds and easy to stick to cups and tables. It is suggested that when using coffee powder or coffee beans, adjust the thickness of ground beans according to different cooking requirements, and pay attention to the control of time and temperature when cooking coffee to obtain better taste and texture.

In short, if you are not satisfied with the taste of the purchased black coffee, you can try to adjust the types of coffee beans, the fineness of ground beans, cooking methods and other factors to get a better taste experience.