New York Style Chocolate Chip Cookies

1. Place cold cubed butter, brown sugar, caster sugar and vanilla in the bowl of a mixer and mix for 5 minutes until the mixture is creamed and pale.

2. Add the eggs, one at a time, mixing well after each addition. Add the flour, bicarbonate of soda and salt. Mix on low speed until just combined. Stir in the chocolate chips and pistachios.

3. Divide the dough into 10 balls and place 5 on a tray with baking paper. Bake for 11 minutes at 195°C. Sprinkle with flakey sea salt and allow to cool for 30 minutes on the tray.