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.
For mashed potatoes, potatoes should be boiled for not more than twenty minutes. Pick the best potatoes, wash them, peel them and then boil water. To maintain the beautiful golden color of potatoes, you may add a little vinegar. After twenty minutes check each potato with a fork. Insert it in the potato and see if it has boiled properly or not. If the potatoes are bigger in size, you can boil them for ten minutes more and then check them again.