Lemon Spinach with Pancetta & Walnuts

450g spinach
50g butter
2 tablespoons walnut oil
100g pancetta, chopped
1 garlic clove, chopped
100g walnut halves
Grated rind and juice of 2 lemons

Remove the stalks from the spinach, wash and then dry in a salad spinner.
Heat the butter and oil in a large frying pan with the pancetta, garlic and walnuts.
Cook until the pancetta is crisp, garlic golden and the nuts are toasted.
Add the spinach, lemon juice and lemon rind to the pan. Cook the spinach for 2 minutes over high heat , stirring all the time.
Remove from the heat and keep warm until ready to serve.