These delicious biscuits will be a great addition to your weekend this year and they're delicious yet easy to make. Mary Berry's will take you less than 30 minutes and you'll be left with freshly baked buttery lemon biscuits. Having a homemade treat will elevate your and your guests will no doubt be impressed that you've baked these biscuits yourself - but they won't know how easy it was.

You should first start by preheating the oven to gas mark six before lining three baking trays with paper. Next, you should put the and beat until well combined before adding the egg yolk and lemon zest.

After this, sift the flour and mix well before then stirring in the currants and enough milk to make a fairly soft dough.

Knead the dough on a floured work surface and using a rolling pin, roll out the dough until 5mm thick. Next, you should use a 6cm fluted cutter to cut out 24 rounds.

Transfer to the using a palette knife and bake for eight minutes, then slightly beat the egg white using a fork.

Next, remove the from the oven and brush the tops with the beaten egg white before

sprinkling over caster sugar and return to the oven for another five minutes, or until golden brown.

Leave to cool on the trays for a few minutes, then carefully lift onto a wire rack to cool completely.

By following this easy recipe, you'll be able to give your guests, friends or family, a homemade sweet treat this .

You will need:

• 100g unsalted butter, softened

• 75g caster sugar, plus extra for sprinkling

• One free-range egg, separated

• One small unwaxed lemon, finely grated zest only

• 200g plain flour, plus extra for dusting

• 50g currants

• One to two tbsp milk