Tracklements Robust Wholegrain Mustard combines whole mustard seeds with cider vinegar, sea salt, black peppercorns, allspice and chilli. Made in the United Kingdom, this gluten-free, vegan-friendly mustard has a coarse texture and warm, piquant flavour. Stir it through mashed potato or cheese sauce, whisk into dressings and marinades, or serve with sausages, ham, cold meats and cheese.