Miso and chocolate cookies

Name: Miso and chocolate cookies
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 7 servings
Ingredients: 5 gr of Baking powder; 5 gr of Bicarbonate of soda; 130 gr of Brown sugar; 120 gr of Dark cooking chocolate; 1 Large egg; 35 gr of Miso paste; 210 gr of Plain flour; 70 gr of Unsalted butter; ½ tsp of Vanilla extract