
Pre-heat oven to 350F / 180 C. Grease and flour or spray a 10 inch / 25cm bundt pan.
In a large bowl sift together the flour, cocoa, baking powder, baking soda and salt.
In a large bowl or stand mixer beat the eggs, yolk and sugar for 3-4 minutes, add the yogurt, oil, rum and vanilla beat to combine, about one minute.
Add the dry ingredients to the wet ingredients and beat on low to combine. Pour the batter into the prepared pan and bake for 45-50 minutes. Let cool 20 minutes in the pan then move to a wire rack to cool completely. Pour the glaze over the cake and sprinkle with the chopped nuts before serving. Enjoy!
Melt together the chocolate and butter either bain-marie or microwave, let cool then stir in the rum.