Cake:2 cups all-purpose flour (unsifted, no leavening)1 cup unsweetened cocoa powder1 teaspoon baking powder1 teaspoon salt1 ½ teaspoons baking soda1 3/4 cups granulated sugar1/2 cup vegetable oil1 teaspoon vanilla extract2 eggs1 cup plain natural yogurt (unsweetened, full-fat if possible)1 cup hot waterFilling & Frosting:7 oz dark or milk chocolate (your choice)3/4 cup heavy creamMini chocolate eggs or any other decorations of your choice