Melt 90g of unsalted butter in a saucepan over a low heat. Stir in 3 tbsp of milk, 20g of cocoa powder and 1⁄2 tsp of vanilla extract. Whisk this into 190g of sifted icing sugar. Add 40g of finely chopped nuts. Pour over a cake and allow to set.
Melt 90g of unsalted butter in a saucepan over a low heat. Stir in 3 tbsp of milk, 20g of cocoa powder and 1⁄2 tsp of vanilla extract. Whisk this into 190g of sifted icing sugar. Add 40g of finely chopped nuts. Pour over a cake and allow to set.
