Melt chocolate and butter in the microwave. Cool to room temperature (about15 mins).

In a small bowl, whisk together brown sugar and eggs. Add to chocolate and mix until well combined.

Add flour and baking powder and mix until combined.

Chill in the fridge for 20-30 minutes, until batter is slightly thickened.

Preheat oven to 350F and line 2 baking sheets with parchment paper or silicone mats.

Using a medium cookie scoop (1½ T) or a spoon, scoop batter onto cookie sheet and place 6 to a sheet. Batter will be fairly thin.

Bake for approximately 11 mins, until cookies are cooked on the edges but still soft in the center. Cool completely on baking sheets.