GrandmaS Marble Cake - butter

Method

• Grease 9 x 13-inch pan (do not flour).
• Cream butter and sugar together.
• Add egg yolks, beaten well.
• Sift salt, baking powder and flour.
• Add to first mixture, alternating with milk.
• Add vanilla and beat well.
• Divide batter into 2 parts.
• Add chocolate to one.
• Beat egg whites until stiff.
• Divide it in half, fold each half into each half of batter (1/2 in chocolate and 1/2 in vanilla).
• Put one spoonful of vanilla and one of chocolate alternating until you fill the pan.
• Bake at 350° until done (approximately 45 minutes).