Yost Chocolate Cake

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch cake pan.

Whisk buttermilk vegetable oil eggs 1/3 cup cocoa powder and 1 teaspoon vanilla extract in a bowl until smooth. Whisk flour sugar baking soda and 1/2 teaspoon salt in a separate bowl. Add dry ingredients to buttermilk mixture and whisk in hot water. Spread batter in prepared cake pan.

Bake in the preheated oven until set and a toothpick inserted into the center of the cake comes out clean or with moist crumbs about 35 minutes. Let cool.

Beat confectioners' sugar cream butter 1/4 cup cocoa powder 1 teaspoon vanilla extract and 1/4 teaspoon salt in a bowl using an electric mixer until frosting is smooth and creamy. Spread onto cooled cake.