Coca Cola cake 

Melt cola and butter in the pan until simmering then remove from heat and stir in baking soda (it will fizz up )let it sit for 15minutes .

Preheat oven to 170 c fan and grease a 25 cm baking dish 

Sift flour cocoa powder and sugar into a large bowl then whisk in the cooled cola mixture 

Whisk eggs with buttermilk and vanilla and add to the rest of the cake mixture .whisking until combined 

Pour cake batter into the cake pan and tap a few timeson the counter to release air bubbles . Bake approx 40 minutes 

For the frosting melt cola and butter in pan then stir in the cocoa powder and sift in the icing sugar . Once smooth pour allover the cake.