Enjoy the rich flavour of John West Herring Fillets in Tomato Sauce, made from high-quality fish and carefully prepared for great taste and convenience. Product: Herring Fillets in Tomato Sauce. Herring Fillets (Fish ) (60%), Water, Tomato Paste (13%), Sunflower Oil, Sugar, Salt, Spirit Vinegar, Modified Maize Starch, Thickeners: Locust Bean Gum, White Pepper.