Boiling a stock pot dry can scorch the pot, ruin the stock's flavor, and potentially start a fire. To prevent this, set a timer and use a simmer setting.
Boiling a stock pot dry is problematic for several reasons. First, the concentrated solids in the stock, such as bones, vegetables, and herbs, will burn and stick to the bottom of the pot. This scorching imparts a bitter, unpleasant flavor to the entire stock, rendering it unusable. Second, the extreme heat can damage your pot, especially if it's made of a thinner material. The intense heat can warp the metal or even cause enamel coatings to crack. Finally, and most seriously, a dry pot can easily overheat and ignite, posing a fire hazard.
Preventing this requires a combination of careful monitoring and proactive measures. The most important step is to never leave a simmering stock unattended for extended periods. Regularly check the liquid level, especially during the initial stages of simmering when evaporation is more rapid. Reduce the heat to the lowest possible setting that still maintains a gentle simmer. This minimizes evaporation and reduces the risk of scorching.
Another effective strategy is to use a larger pot than you think you need. A larger surface area allows for more even evaporation and reduces the concentration of solids at the bottom. Finally, consider using a slow cooker or Instant Pot for long simmering times. These appliances are designed to maintain a consistent temperature and prevent scorching, even if left unattended for several hours.
Set a timer on your phone or kitchen timer for every 30-60 minutes to remind you to check the stock level. Even a quick glance can prevent a disaster!