01 -
Combine granulated sugar and finely chopped rosemary in a small bowl, pressing together with your fingers until fragrant. Set aside.
02 -
In a medium bowl, beat unsalted butter until creamy. Add the rosemary sugar and whip for approximately 2 minutes until light and fluffy.
03 -
Add egg and vanilla extract to the butter mixture, mixing well until fully combined.
04 -
Sift in all-purpose flour, cocoa powder, and baking soda. Stir gently to blend. Fold in chopped dark chocolate until evenly distributed.
05 -
Line baking trays with parchment paper. Scoop heaped tablespoons of dough onto the trays, spacing each portion at least 5 cm apart.
06 -
Sprinkle each dough ball with coarse sea salt. Bake at 180°C for 12 minutes, until the edges are set and centers appear slightly under-baked.
07 -
Allow to cool on the tray before transferring to a wire rack. Serve once fully cooled.