Guinness Chocolate Cake with Cream Cheese Frosting

Bahan-bahan (12 porsi)

• 2 cups Guinness (or other stout)
• 2 cups (4 sticks) unsalted butter
• 1 1/2 cups dark chocolate unsweetened cocoa powder (or regular unsweetened cocoa powder)
• 4 cups all-purpose flour
• 4 cups sugar
• 1 Tbsp . baking soda
• 2 tsp . salt
• 4 large eggs
• 1 1/3 cups sour cream
• 3 (8 oz.) bricks cream cheese, room temperature
• 1 cup (2 sticks) unsalted butter, room temperature
• 1 Tbsp . vanilla extract
• 1/2 tsp . salt
• 6 cups powdered sugar