Cider and Horseradish Mustard Spend £25 and get Free Delivery £2.00 Quantity: at £2.00 each Add To Basket 10 in stock. 100g Jar. A mix of whole grain and powdered mustard, grated fresh horseradish and JP traditional cider. Ingredients: Mustard Seeds, Mustard Powder, JP Cider, Cider Vinegar, Horseradish, Salt. Vegetarian, Vegan, Gluten-free.