Marinated sirloin steak with Vietnamese-style dressing

By Matt Tebbutt From Saturday Kitchen Ingredients 300g/10½oz sirloin steak with plenty of fat For the marinade 2 tsp pickled chillies, chopped 3 garlic cloves, finely chopped 1 tbsp fresh root ginger, peeled and finely chopped 3 tbsp Thai fish sauce 1½ …