Final answer:
The question is about the time frame for replacing pretzel samples to ensure they are served at the right temperature. While the exact time can vary, replacing them every 10 minutes is a good general rule. Always follow specific food safety or culinary guidelines.
Step-by-step explanation:
The question "Pretzels cool quickly, so replace the sampling every ____ minutes" requires a specific time frame for when to replace the sampling of pretzels. It's important to know that pretzels cool quickly after being taken out of the oven.
When serving them, particularly in a food safety or sensory lab setting you'll want to ensure that they are served at the appropriate temperature. Because this question is likely related to food safety or testing protocols, the exact time frame could vary based on the specific circumstances. However as a general rule of thumb replacing pretzel samples every 10 minutes should be sufficient to maintain the right balance between freshness and safety. Always follow any specific guidelines that your food safety protocol or culinary course provides.