Because baking chocolate cake at high-altitude ... This recipe uses buttermilk and sour cream to create a super soft texture, ...

Spoon cake mixture into cake tin and bake for about 35 minutes or until an inserted skewer comes out clean. Allow to cool before icing. Melt the chocolate in a heatproof bowl over simmering water ...

Line a 10 inch cake tin with parchment paper. Place the sugar, chocolate, butter and water in a saucepan and cook gently until the chocolate and butter have melted. Cool Whisk in the buttermilk ...