Oreo Cookie Sandwiches 😍 Cookie sandwiches that are made with actual Oreo cookies and then filled with buttercream icing 🤤 They’re so so easy to make and so delicious! I think you'll really enjoy these 💖 Sound on for full instructions 🔉 All you need is: For the cookies: 25 Oreos 145g plain flour 25g cornflour 25g cocoa powder 1/2 tsp bicarbonate of soda 1/4 tsp baking powder 1/2 tsp salt 190g unsalted butter, softened 90g granulated sugar 30g icing sugar 1 large egg, room temp For the icing: