You could probably skip this step, but since you need to bring your water to a boil anyway, it removes any possibility of contamination.
- Place your thermometer and spoon in the large pot of water
- Place smaller pot upside down over larger pot
- Heat water until boiling
- Once a boil is reached, use oven mitts to remove hot items, and dry with paper toweling.
- If you have a set of tongs, use them to quickly sterilize the smaller pot lid by dipping in boiling water.