Cool Marble Pound Cake With Chocolate Glaze Recipe Ideas. In a medium bowl, combine the buttermilk, eggs, and vanilla. Web preheat oven to 325 degrees.

Web preheat oven to 325 degrees. Add egg whites, one at a time, beating well after each addition, about 15 seconds. In a large mixing bowl, beat butter until light and creamy, 3 to 4 minutes.