Final answer:
An incorrect grind size can significantly impact the taste of coffee. A coarse grind may result in a weak and under-extracted shot, while a fine grind could cause over-extraction and bitterness. Finding the correct grind size for an espresso machine is essential for the best flavor.
Step-by-step explanation:
The statement that a grind that is too coarse will produce a shot that tastes is incomplete as provided, but generally, a grind that is too coarse is often associated with coffee that tastes weak or under-extracted. When making espresso or other coffee beverages, the grind size of the coffee beans is critical to the flavor extraction. If the grind is too coarse, the water will flow through the coffee too quickly, resulting in a brew that may be too weak with a lack of depth and complexity in flavor.
On the other hand, a grind that is too fine can make the water flow through the coffee too slowly, possibly over-extracting and leading to a shot that tastes bitter. The ideal grind size for espresso is typically fine, but not powdery, allowing for the right balance of extraction during the brewing process. Therefore, to achieve the best-tasting shot of espresso, it is important to find the correct grind size for your specific espresso machine and to adjust as necessary for flavor preference.