Marsala sauce

Heat the oil and butter in a frying pan. Once sizzling, tip in the shallot, garlic, mushrooms and a pinch of salt. Cook over a low heat until the mushrooms are softened then stir in the flour. Cook for 1 min to get rid of the raw flour taste then pour in the marsala and stock. Simmer away until reduced by two thirds. Taste for seasoning then serve, traditionally with steak.