black forest mud cake

This easy, mix and bake black forest mud cake very good for any occasion. Ingredients: 1. 200g (7 oz) (45%) chocolate, chopped 2. 300g (10.5 oz) unsalted butter, chopped, softened 3. 500g (17.6 oz) sour cream, at room temperature 4. 1 cup (150g) self-raising flour, sifted 5. 1 cup (150g) plain flour 6. 100g (3.5 oz) cocoa, sifted 7. 5 eggs, at room temperature, lightly beaten 8. 250g (8.8 oz) caster sugar 9. 200g (7 oz) brown sugar For the chocolate frosting: 1. 250g (8.8 oz) unsalted butter, chopped, softened 2. 2 2/3 cups (320g) icing sugar, sifted 3. 1 tsp vanilla extract 4. 3/4 cup (75g) cocoa powder, sifted For decoration: 1. 1 bar (80g) of chocolate ripe chocolate, cut on small sizes 2. Small amount of double cream Method: 1. Preheat oven to 320F (160C). Spray a 20cm (8 inch) deep round baking tin with non-stick cooking spray and line with non-stick baking paper. 2.