One - Two - Three - Four Cake II

Ingredients

• 2 teaspoons double-acting baking powder 
• 1 cup butter 
• 3 cups cake flour 
• 4  egg whites room temperature
• 4  egg yolks room temperature
• 1 cup milk room temperature
• 1 teaspoon vanilla extract 
• 2 cups sugar white divided

Equipment

• bowl
• oven
• hand mixer

Directions

1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour three 9-inch round pans.
2. Beat butter and 1 cup of sugar with an electric mixer in a large bowl until light and fluffy. The mixture should be noticeably lighter in color.
3. In a separate bowl, beat egg yolks well, then add to butter mixture.
4. Sift together flour and baking powder.
5. Add alternately with the milk to the butter-sugar mixture. Beat well.
6. Add vanilla.
7. Beat egg whites until stiff but not dry.
8. Add 1 cup sugar to the egg whites. Fold into cake batter.
9. Divide evenly into three prepared 9 inch round pans.
10. Bake at 350 degrees F (175 degrees C) for 25 minutes.