This Oreo brownie recipe is a decadent and delicious dessert that is perfect for chocolate lovers. It is made with a rich chocolate brownie batter and chunks of Oreo cookies. To make the brownies, you will need all-purpose flour, sugar, cocoa powder, baking powder, salt, butter, eggs, vanilla extract, and Oreo cookies. Mix the dry ingredients together, then add the wet ingredients and mix until smooth. Fold in the crushed Oreo cookies and pour the batter into a greased baking dish. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Let the brownies cool before serving.