Cooking Instructions

1. Preheat oven to 325 degrees F.
2. In large mixing bowl, cream butter and sugar until light and fluffy. Add eggs, one at a time, beating well after each. Add egg whites; beat well. Blend in vanilla. Gradually add flour, baking powder; mix until thoroughly blended.
3. Pour into a greased and floured 10-inch Bundt pan. Bake 1 hour and 10 minutes or until wooden toothpick inserted into cake comes out clean. Cool ten minutes.
4. Remove from pan. Before serving, sprinkle with additional powdered sugar, if desired.