Walnut cake with lemon buttercream

This is an amazingly bouncy walnut sponge topped with a lemon buttercream - this is a change to the traditional coffee and walnut combination but goes beautifully together.   Notes For this recipe I've used a mix of unsalted butter and baking margarine. I did some experimenting comparing all butter, all margarine and a mix… Continue reading Walnut cake with lemon buttercream