Add the onions to the pot and stir, stir, stir. This starts the very long process of browning the onions. Cook the onions for 1 hour to 1 hour 30minutes, depending on how hot your stove runs, watching them very closely and stirring every 2minutes. If the onions start to stick too much, add a little bit of water or stock to loosen them, then stir to incorporate the browner onions and scrape up any stuck-on bits from the bottom of the pot.