1.Set out the whipped topping to soften. 2.Bake brownies according to package directions. Allow them to cool completely; cut brownies into 20 servings. Remove 4 brownies and cut each into cubes. 3.In a small, wide-rimmed glass, add the cubes from 1 brownie. Measure out a ½-cup of whipped topping and carefully spoon it onto the brownie cubes. Top with a ½-cup of raspberries. Repeat layers with the cubes from another brownie, another ½-cup of whipped topping, and another ½-cup of raspberries.