Both the vegan and meat sausage rolls contain more calories than a McDonald's cheeseburger Credit: Stewart Williams - The Sun. On the flip side, there's more salt in the vegan roll (1.9g versus 1.6g).

In terms of nutritional value, ... The vegan sausage roll weighs 101g and has 311 calories, while the regular Greggs sausage roll weighs 103g and has 317 calories.

Morrisons has launched a new foot long sausage roll - and it's only £1 Credit: Solent News. The giant roll has 1,650 calories - the equivalent of THREE Big Mac's from McDonald's.