Light brown sugar has a higher proportion of white ... If you want to keep your brown sugar soft, storing it in an airtight ...

Cream the measured butter with 225g/8oz of the soft light brown sugar until pale and light, scraping down the sides of the bowl with a rubber spatula from time to time. Gradually add the beaten ...

Beat the butter and soft light brown sugar together until creamy. Add the egg and vanilla extract and beat again. Add the plain flour, baking powder, bicarbonate of soda and sea salt and combine ...