Coffee and Walnut Bundt Cake

• 份量: 12 items

配料

450g plain flour

1 tsp baking powder

1⁄2 tsp bicarbonate of soda

2 tbsp instant espresso powder

large pinch of salt

225g butter, softened

225 soft light brown sugar

4 eggs

150ml soured cream

1 tsp vanilla extract

100ml strong coffee

100g walnuts, chopped, plus extra to decorate

1 tbsp instant espresso powder

100g icing sugar