My daughter made these frosted oreo cookies. Frosted Cookies are chilled cookies filled with crushed Oreos and topped with homemade buttercream frosting. Ingredients Of Frosted Oreo Cookies 1 cup butter 1/4 cup of packed brown sugar (light or dark) 1 cup white granulated sugar 2 large egg 1 1/2 tsp of vanilla extract 3 cups of All-purpose flour 1/2 tsp baking [...]