Ingredients

• 1/3 cup butter
• 1/3 cup plain yogurt
• 4 (1 ounce) squares German sweet chocolate
• 1 cup cola-flavored carbonated beverage
• 2 cups all-purpose flour
• 1 1/3 cups white sugar
• 1 teaspoon baking soda
• 1/2 cup buttermilk
• 2 eggs
• 1 teaspoon vanilla extract

Instructions

1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour two 9 inch pans.
2. In a medium saucepan, heat butter, yogurt, chocolate and cola until chocolate is completely melted.
3. In a large bowl, mix flour, sugar, and baking soda. Add chocolate mixture, buttermilk, eggs and vanilla. Beat until smooth. Pour batter into two 9 inch round pans.
4. Bake at 350 degrees F (175 degrees C) for 30 to 35 minutes, or until a toothpick inserted into cake comes out clean.