01 -
Preheat your oven to 190°C (170°C fan) and line three baking trays with parchment paper.
02 -
In a large bowl, cream together the butter and brown sugar until light and fluffy. Then mix in the egg and vanilla extract until well combined.
03 -
Fold in the flour, cornflour, bicarbonate of soda, and sea salt until just combined. Don't overmix at this stage.
04 -
Gently mix in the white chocolate chips and chopped pistachios until evenly distributed throughout the dough.
05 -
Using a 5cm cookie scoop, portion the dough onto the lined baking trays, leaving space between each cookie. Bake for 11-13 minutes until the edges are just turning golden.
06 -
Allow the cookies to cool on the trays for a few minutes before transferring to a wire rack to cool completely. Then dig in!