These brownies are so simple to put together and are always a hit with the kids! Unsalted butter – 6 tbsp or 85 g ( cut into cubes ) Semisweet milk chocolate – 250 g ( cut into small pieces ) Castor sugar – 100 g Vanilla extract – 12 tsp Egg – 2 Flour – 40 g Oreo cookies – 10-12 Line an 8 x 8 inch tray with parchment paper. Grease it. Break oreo cookies into small pieces. Keep a few bigger pieces to place on top. Pre heat the oven to 180 degrees C. Heat butter and chocolate in a bowl till chocolate melts. Remove from heat. Add sugar and whisk till combined. Add vanilla extract and mix. Let the mixture cool for 5 minutes. Add eggs, one at a time. Add flour and mix nicely. Add the crushed cookies in the batter ( keep a few for placing on top ) and pour the batter in the prepared pan. Top the batter with a few cookie pieces. Bake for 25-30 minutes. Remove from oven and let it cool completely. Cut into square pieces.