Who would have thought that you could make something so delicious from a tin of pureed pumpkin, but these biscuits are so delicious they will become a staple in our home every autumn. Because pumpkin puree comes in 425g tins, this recipe makes rather a large batch of biscuits, but I prefer that to having half a tin of pureed pumpkin left over that I wouldn't know what to do with (other than blending it into a vegetable soup). Having said that, the batter freezes very well and