Brown the butter

• Melt the butter in a saucepan over medium heat and cook until golden brown and nutty.
• Pour the browned butter into a large bowl and let it cool slightly.

Mix the sugars

• Add the brown sugar and granulated sugar to the browned butter.
• Whisk until well combined.

Add egg and vanilla

• Let the mixture cool, then add the egg and vanilla extract.
• Whisk until smooth and glossy.

Fold in dry ingredients

• Fold in the flour and baking soda until just combined.
• Add the chocolate chips and fold them through the dough.

Bake

• Scoop the dough onto a lined baking sheet.
• Bake at 175°C (350°F) for about 12 minutes until the edges are golden.

Cool and serve

• Let the cookies cool on the baking sheet for a few minutes.
• Transfer to a rack and enjoy warm.