Caramelized (or Chopped) Onions Hold the tears! Caramelized onions freeze beautifully, meaning you only need to go through the painstaking process of chopping and caramelizing your onions once in a blue moon. Get ready to be known for making the best homemade burgers in town. Bonus: the freezing method totally works with chopped onions, too. Image Source: Pexels / Pixabay