Old Fashioned Chocolate Cake

Ingredients

• 1 package (4 oz.) plus 1 section (1/2 oz.) HERSHEY'S Unsweetened Chocolate Baking Bar, broken into pieces
• 1/2 cup water
• 3/4 cup (1-1/2 sticks) butter, softened
• 2-1/4 cups sugar
• 6 eggs, separated
• 1-1/2 teaspoons vanilla extract
• 2-2/3 cups cake flour
• 3 teaspoons baking powder
• 3/4 teaspoon salt
• 3/4 cup milk

Directions

1. 1 Heat oven to 350°F. Grease and flour 13x9x2-inch baking pan.
   
2. 2 Combine chocolate and water in small saucepan. Cook over low heat, stirring occasionally, until chocolate is melted. Set aside to cool slightly.
   
3. 3 Beat butter and sugar in large mixer bowl until light and fluffy. Add egg yolks and vanilla; beat well. Add chocolate; beat until blended. Stir together flour, baking powder and salt; add alternately with milk to butter mixture. Beat egg whites in medium bowl until stiff, but not dry; fold into batter. Pour batter into prepared pan.
   
4. 4 Bake 45 to 50 minutes or until wooden pick inserted in center comes out clean. Cool completely in pan on wire rack. Frost as desired. 12 to 15 servings.http://www.hersheys.com/recipes/recipes-by-type/13/Cakes-Frostings.aspx