Directions. 1  Combine all the ingredients in a large saucepan and bring them to the boil. 2  Then reduce the heat to a simmer and cook until the swede is cooked, but still remains firm, about 2 hours. 3  Stir well to redistribute all of the vegetables.4  Bottle and seal in sterile and hot jars. 5  Allow the pickle to age for a few weeks before using, this 6  ... S Then reduce the heat to a simmer and cook until the swede is cooked, but still remains firm, about 2 hours. 2  Stir well to redistribute all of the vegetables. 3  Bottle and seal in sterile and hot jars. 4  Allow the pickle to age for a few weeks before using, this improves the taste and it will become more mellow.