Step #4 pour mixture into prepared pan, bake in moderatly slow oven for 50 mins (mine took 30 in the aga - so watch it closely).
Step #5 turn onto wire rack to cool.
Step #6 when cold, spread with frosting, decortae with walnut halves.
Step #7 Cream Cheese Frosting:.
Step #8 beat cream cheese, butter & lemon rind in small bowl with electric mixer until light & fluffy, slowly beat in sifted icing sugar; beat until mixd.