Final answer:
The proper practice to ensure food safety when preparing a new dessert is to use a clean and sanitized palette to serve the dessert.
Step-by-step explanation:
When preparing a new dessert, it is important to practice proper food safety measures. The correct practice to ensure food safety is option d, which involves prepping a new dessert by placing a different slice of pie on a clean and sanitized palette and then serving it.
Using the same utensils for different ingredients (option a) can lead to cross-contamination of bacteria or allergens. Skipping the sanitization step (option b) can also increase the risk of contamination. Using a dirty palette for convenience (option c) is not recommended as it can introduce harmful microorganisms into the dessert.