Ingredients;

For the Cake:

• 2 cups (240g) all-purpose flour
• 2 cups (400g) granulated sugar
• ½ cup (50g) unsweetened cocoa powder
• 1½ teaspoons baking powder
• ¼ cup chocolate chips
• 1½ teaspoons baking soda
• ½ teaspoon kosher salt
• 1 cup (240ml) milk
• Two large eggs
• ½ cup (180ml) vegetable oil
• One tablespoon of vanilla extract
• 1 cup (240ml) boiling water

For the Chocolate Buttercream: (Optional) 

• 1½ cups (338g) unsalted butter at room temperature
• ¼ cup (25g) unsweetened cocoa powder
• ¼ teaspoon salt
• One teaspoon vanilla
• 6 cups (680g) powdered sugar
• 3 to 4 (45-60ml) tablespoons milk