Melt the butter and chocolate over a double boiler or in the microwave.
125 g butter, 125 g dark chocolate
In another bowl, mix together the eggs, brown sugar and granulated sugar until light and fluffy, about 1 min.
125 g brown sugar, 100 g granulated sugar, 2 large eggs
Pour the melted butter and chocolate into the batter and gently mix until combined.
Then add the vanilla extract and whisk it until combined.
1 teaspoon vanilla extract
With a spatula fold in the all-purpose flour, cocoa powder and salt, together 5 Oreo broken into smaller pieces, but not too small, into the batter and gently fold it together until combined.
150 g all-purpose flour, 2 tablespoon cocoa powder, ¼ teaspoon salt, 5 Oreo cookies for the batter
Pour the batter over the cookie dough and smooth it out with the spatular.
Add the remaining ¼ of the cookie dough, flattening out the cookie dough pieces between your fingers before laying it on the brownie, and extra Oreo cookies broken into big pieces.
5 Oreo cookies for on top of the brookie
Bake for about 55-65 min. When using a cake tester, moist crumbs should be one it. Let it cool down completely until cold and it’s ready to be enjoyed.