Ingredients;
- 125g(1/2cup)unsalted butter,plus more greasing the pain
- 125g(4.4)dark chocolate(around 60% coca),roughly choopedn
- 335g(11/2)cups white sugar
- 3 large egg at room temperature
- 1 tbsp vanilla extract
- 115g(3/4cup) all purpose flour
- 1/2tsp salt
- 30 g(1/4)dutch -processcocoa powder
- 1 cup (180)semi sweet chocolate chip(optional)