Guinness Chocolate Cake

Bahan-bahan (12 porsi)

• two 11.2–12-ounce (330–355ml) bottles of Guinness Draught Stout beer
• 1 and 3/4 cups (219g) all-purpose flour (spooned & leveled)
• 3/4 cup (62g) unsweetened natural cocoa powder
• 1 and 3/4 cups (350g) granulated sugar
• 2 teaspoons baking soda
• 1 teaspoon baking powder
• 1 teaspoon salt
• 2 teaspoons espresso powder (optional)
• 1/2 cup (120ml) vegetable oil (or canola oil or melted coconut oil)
• 3/4 cup (180g) full-fat sour cream, at room temperature
• 2 large eggs, at room temperature
• 2 teaspoons pure vanilla extract
• 1/2 cup (120ml) buttermilk*, at room temperature
• 8 ounces (226g) full-fat brick cream cheese, softened to room temperature*
• 1/2 cup (8 Tbsp; 113g) unsalted butter, softened to room temperature
• 2 and 1/2 cups (300g) confectioners’ sugar
• 1/2 cup (41g) unsweetened natural or dutch-process cocoa powder
• 3 Tablespoons (45g/ml) reduced Guinness, from step 1
• pinch salt
• optional: gold sprinkles for garnish