Roast pork fillet on mustard mash Ingredients For the pork: 2 tbsp olive oil 275g/9¾oz pork fillet salt and freshly ground black pepper For the mash: 1 large baking potato, peeled and cubed 1 splash full fat milk 1 knob unsalted butter 1 tbsp wholegrain mustard salt Method Preheat the oven to 220C/425F/Gas 7. Heat [...]