3 ½ cup all-purpose flour ½ cup cocoa powder 1 teaspoon salt ½ teaspoon baking soda 2 eggs 1 egg yolk 1 cup sugar 1 cup plain Greek yogurt ½ cup buttermilk ¼ cup butter, melted Vegetable oil for deep-fat frying
Powdered Sugar Icing
2 cup powdered sugar ¼ cup water
