Preheat the oven to 170℃

Melt the butter in a saucepan over a medium heat.

In a large mixing bowl, add the soft brown sugar and the granulated sugar. Pour in the melted butter.

Whisk it together for 4-5 minutes until it is well combined and the butter is no longer separated from the sugars.

Add the vanilla extract and the egg, mix well to combine.

Add the bicarbonate of soda, baking powder and a pinch of salt to the flour, and mix well.

Add the four mix into the mixing bowl and use a wooden spoon to mix until a dough has formed.

Fold through the chocolate chips.

Roll the cookie dough into a 'sausage' shape, cover with cling film and place into the fridge for 20 minutes. This will firm it up a little bit.

Cut the dough into 12 equal portions, weighing approximately 100 g each.

Place each piece onto lined baking trays, leaving enough space in between so they can spread.

Press each cookie down a little bit to make a rough cookie shape.

Bake them for 13-15 minutes until they are golden around the edges.

Leave them to cool on the tray for 10 minutes before transferring them to a cooling rack to cool completely.

Enjoy!