This is soooooooooo gorgeous! I just made it for my husband for his birthday and he was extremely happy! It is a Delia Smith recipe – love her!

2 oz (50 g) cocoa powder
7 fl oz (200 ml) Guinness
4 oz (110 g) very soft butter
10 oz (275 g) dark soft brown sugar
2 large eggs, beaten
6 oz (175 g) plain flour
¼ teaspoon baking powder
1 teaspoon bicarbonate of soda

For the icing:

4 oz (110 g) icing sugar, sifted
2 oz (50 g) very soft butter
2 tablespoons Guinness
4 oz (110 g) dark chocolate (50-55% cocoa solids)
1 oz (25 g) walnut pieces, finely chopped

To decorate:

8 walnut halves
cocoa powder, for dusting

Pre-heat the oven to gas mark 4, 350°F (180°C).

You will also need two 8 inch (20 cm) sponge tins, 1½ inches (4 cm) deep, lightly greased, and the bases lined with baking parchment, lightly greased. Or use silicone moulds to save on greasing and lining.

First of all, cream the butter and sugar together, beating thoroughly for 3 or 4 minutes until pale and fluffy. To make this easier you can use a hand whisk.

Now gradually beat in the eggs, a little at a time, beating well between each addition.

Next, sift the flour, baking powder and bicarbonate of soda into another bowl.

Then weigh the cocoa and put it in a separate bowl, gradually stirring the Guinness into it.

Now carefully and lightly fold into the egg mixture small quantities of the sifted flour alternately with the cocoa-Guinness liquid.

Then, when both have been added, divide the cake mixture equally between the 2 tins and level it out.

Bake the sponges in the centre of the oven for 30-35 minutes. The cakes should be flat on top and feel springy and will have shrunk slightly from the side of the tin.

Leave them to cool in the tins for 5 minutes before turning out on to a wire rack to cool further, very carefully stripping off the base papers (it’s quite sticky!)

To make the icing, beat the icing sugar and butter together until blended, then gradually add the Guinness, making sure it is thoroughly mixed in after each addition.

Now melt the chocolate in a heat-proof bowl set over hot water, making sure the bottom of the bowl doesn’t touch the water. Then, when it’s melted, remove the bowl from the water, and carefully fold the chocolate into the icing mixture.

Now remove a third of the icing to a separate bowl and stir in the chopped walnuts.

After all the icing has cooled to a spreadable consistency, sandwich the cake with the walnut icing.

Then spread the remaining two-thirds of the icing on top of the cake, using a palette knife.

Next, dust the walnut halves with cocoa powder and arrange on top of the cake.

NOW – Try not to scoff it all in one sitting ;0)

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