Moist Sheet Pan Chocolate Cake Recipe

Ingredients

• 3 1/4 cups all-purpose flour, spooned and leveled
• 2 cups granulated sugar
• 1 cup dark brown sugar, packed
• 1 1/4 cup Dutch process cocoa powder
• 2 1/2 teaspoons baking powder
• 2 teaspoons baking soda
• 2 teaspoons espresso powder
• 1 1/2 teaspoons kosher salt
• 1 1/2 cups full-fat sour cream, room temperature
• 3/4 cup vegetable oil
• 4 large eggs, room temperature
• 1/2 cup buttermilk, room temperature
• 1 1/2 tablespoons apple cider vinegar
• 1 teaspoon vanilla
• 1 1/2 cups strong hot coffee or boiling water
• 2 tablespoons softened butter for the pan
• 1/3 cup unsalted butter
• 1/3 cup sour cream
• 1 1/4 cups granulated sugar
• 1 tablespoon Dutch process cocoa powder
• 1 teaspoon vanilla extract
• 1 cup dark chocolate chips
• pinch of salt