METHOD

Mix together the marinade Christine Austin recommends: Lightly chill a bottle of Saumur Champigny 2011 (£13, Le Bon Vin) and enjoy its fresh, herbaceous and raspberry fruit with the steak and salad or try the bigger plums and spice flavours of Domaine Meynarde, Plan de Dieu, Côtes du Rhône Villages (£9.49, Marks and Spencer).