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.
Some people swear on bringing the potatoes to a boil and immediately turning it off, leaving the potatoes in the hot water on the hot burner. This method generally takes a solid 15 minutes, but is better for ensuring you don't overcook your potatoes.