The phrase "to watch the pot" means to wait and constantly check on something, like a pot of food, while it's cooking. It implies being impatient and anxious for the results or for something to happen.
Sentences with «to watch the pot»
Don't feel like spending hours at the stove carefully watching your pot to make sure it doesn't boil over or burn? (simplyquinoa.com)
Secondly, when boiling the maple syrup watch the pot... like really watch it. (mygoodnesskitchen.com)
Step 5: Watch the pot for the texture you wish to have for baby food — add more water as needed. (wholesomebabyfood.momtastic.com)