Ingredients Original recipe yields 16 servings Ingredient Checklist 1 ½ cups white sugar ¾ cup all-purpose flour ½ cup high-quality unsweetened cocoa powder ½ teaspoon salt ¼ teaspoon baking powder ¾ cup unsalted butter, melted 3 large eggs 1 teaspoon vanilla extract 32 chocolate sandwich cookies (such as Oreo®), divided 1 (8 ounce) container frozen whipped topping (such as Cool Whip®), thawed Directions Instructions Checklist Step 1 Preheat the oven to 350 degrees F (175 degrees C). Grease a 9-inch square baking pan. Step 2 Mix sugar, flour, cocoa powder, salt, and baking powder together in a mixing bowl. Step 3 Whisk butter, eggs, and vanilla together in a separate bowl. Add butter mixture to the flour mixture and mix until well combined. Step 4 Pour 1/2 of the batter into the prepared baking pan and smooth out with a spatula. Add 16 OREO® cookies in an even layer (4 rows of 4 cookies), then spread the remaining 1/2 of the batter over top. Step 5 Bake in the preheated oven until edges are brown and center is set, 30 to 35 minutes. Step 6 Remove pan from the oven and set on a wire rack. Let brownies cool completely, at least 30 minutes. Step 7 Crush 12 of the remaining OREO® cookies. Place the whipped topping in a bowl and fold in the crushed cookies. Spread over the top of the brownies. Crush the remaining 4 cookies, then sprinkle over the top of the whipped cream mixture. Step 8 Keep refrigerated until you are ready to slice and serve.