When the bottom of the pot is burnt, add white vinegar into the pot, and then heat the pot on the fire until the white vinegar is boiled, and then add a little cold water. When the pot cools down, you can clean the black coke in the pot with a cleaning cloth or brush.
When we cook, we may forget to roll the food in the pot and cause the bottom of the pot to burn, especially the stainless steel pot, which is very easy to burn. In this case, we'd better not brush the bottom of the pot with a steel ball, which will damage the pot.
We can first add water to the pot and clean the black coke at the bottom of the pot with a cleaning cloth or brush. In this way, we can first clean the black coke that is easy to be cleaned, and then pour an appropriate amount of white vinegar into the pot.
Finally, heat the pot with fire until the white vinegar boils, add a little cold water to the pot, and wait until the pot cools down. You can easily clean the black coke at the bottom of the pot with a cleaning cloth or brush.