There are thousands of types of edible mushroom, some big, some small, some beautiful and some rather less so. From the humble button to rarer, more exotic fungi such as morels and porcini, mushrooms ...
Heat some more oil in the frying pan, add the mushrooms and fry over a high heat until softened and caramelised. Add the garlic, fry for a couple of minutes, then return the leeks and spinach to ...