Cider and Horseradish Mustard Spend £30 and get Free Delivery £2.50 Quantity: at £2.50 each Add To Basket 4 in stock. 0 in your basket View Basket Checkout 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.