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.
How to Cook New Potatoes. 1  Cook, gently boiling, until the potatoes are fully tender, 10 to 15 minutes. 2  Drain the potatoes, shaking off as much water as possible. 3  Transfer the potatoes to a serving dish and top with pats of butter. 4  Gently toss to melt the butter and coat the new potatoes simultaneously.