By Niamh Kirk As Easter approaches, people will be ready to dive into their chocolate eggs, but the humble hot cross bun is not to be forgotten. As soon as hot cross buns appear on the shelves, you know Easter is coming. The spiced buns have been a staple in the UK since the 13th century, and have evolved over the years. While you can still get your hands on the classic bun, featuring a spiced dough, cross and orange icing, there are many variations to be had. Because we are overwhelmed with choice, I decided to put them to the test and see which supermarket holds the crown this Easter – and t…