Chocolate Bundt Cake

INGREDIENTS

• Chocolate Bundt Cake:
• 2 cups / 475 ml chocolate porter or stout beer
• 8 tablespoons unsalted butter, plus more for the pan
• 3/4 cup / 75g natural cocoa powder (non-dutched)
• 1 cup / 5 oz / 140 g whole wheat flour
• 1 cup / 4.5 oz / 125 g all-purpose flour
• 1 cup / 4.25 oz / 120 g muscovado or dark brown sugar
• 1 1/2 teaspoons baking soda
• 3/4 teaspoon fine grain sea salt
• 3 large eggs
• 1 1/2 cups / 355 ml plain whole yogurt
• 3/4 cup / 180 ml pure maple syrup
• Chocolate Buttermilk Icing:
• 3/4 cup / 2.75 oz / 75 g powdered sugar
• 1/4 cup / 25g natural cocoa powder (non-dutched)
• 2 tablespoons buttermilk
• flaky sea salt, to serve