Preheat oven to 350℉.
Melt the butter in a saucepan, then remove from heat.
Stir the chocolate chips into the butter, the hot butter will melt the chocolate chips. After they are melted stir in the Dutch cocoa powder and vanilla extract.
In a separate bowl beat the eggs with a mixer, brown sugar, and white sugar until pale yellow.
Add eggs and sugar to the batter and fold in until combined.
Fold in the flour and salt to the batter.
Spread in a parchment paper lined 8x8 pan and bake for 40 minutes. The brownies are done when a toothpick stuck in the center comes out with a few moist crumbs.
