In the meantime, in March 2017 the government announced that VAT is to be added to the cost of roaming in countries outside the EU. The result is that the cost of calls, texts and data is set to go up by 20%. At the time of writing, we don't know for sure when the charges will come into affect.
Bring to boiling. Add sweet potatoes. Cover the pan and cook sweet potatoes for 10 to 12 minutes or until just tender on the outside but resistant in the center when pierced with a knife. For soft, tender sweet potatoes, cook for 25 to 30 minutes.
Put other water onto boil (either another pot, or a kettle.) This will be your canning water to fill the jars with. Give prepped potatoes one final rinse. Put potato in the large pot of water, bring to a boil. Boil cubes for 2 minutes, whole small potatoes for 10 minutes. Drain potatoes.