mise en place

Gather everything first.

• 170gunsalted butter
• 160gdark brown sugar
• 70ggranulated sugar
• 1large egg
• 1egg yolk
• 2 tspvanilla extract
• 250gall-purpose flour
• ¾ tspbaking soda
• 1 tspkosher salt
• 200gdark chocolate
• 1 pinchflaky sea salt

requires: baking sheet · parchment · saucepan · cookie scoop