Lynn's Recipes - Oreo Cupcakes With Oreo Buttercream

Ingredients

• 3 cups cake flour
• 1 Tablespoon baking powder
• ½ teaspoon salt
• 16 Tablespoons unsalted butter, at room temperature
• 2 cups sugar
• 5 large eggs, at room temperature
• 1-1/4 cups buttermilk, at room temperature
• 1 Tablespoon vanilla extract
• 20 Oreo cookies (halves, with the cream filling attached)
• 8 Tablespoons butter, at room temperature
• ½ cup vegetable shortening
• 4 cups powdered sugar (1 pound)
• ½ teaspoon vanilla extract
• 6 Tablespoons Oreo cookies, finely crushed (I used the halves from the cupcakes without the filling)