Turkey Croque Madame

Turkey Croque Madame: Serves 4 Preparation time 10 minutes Cooking time 8–10 minutes Ingredients: 8 slices of wholegrain bread from a large, round loaf 3 tablespoons wholegrain mustard 200 g (7 oz) aged Gruyère or reduced-fat mature Cheddar cheese, finely grated 200 g (7 oz) cooked turkey, thinly sliced 2 tomatoes, sliced 2 spring onions, thinly sliced 4 …