Costco Chocolate Cake Recipe - Recipe Tweets

Ingredients

• 3 large eggs, at room temperature
• 1/2 tablespoon Clabber Girl Baking Soda
• 1 cup hot water
• 1/2 cup vegetable oil
• 1 cup unsweetened cocoa powder
• 2 cups 2.5 brown sugar or white granulated sugar
• 1/2 tablespoon pure vanilla extract
• 2 cups all-purpose flour
• 1 teaspoon salt
• 1/2 tablespoon baking powder
• 1 cup buttermilk or whole milk
• 1 stick butter
• 7 ounces semisweet chocolate chips
• 1 cup heavy cream or half and half
• 3 cups powdered sugar
• 1/2 cup whole milk
• 1 cup unsalted butter, softened