Made with gherkins and capers. A tangy condiment sauce with gherkins and capers. Tartare sauce. Delicious with fish.Tartar sauce is a mayonnaise or aioli-based sauce, typically of a rough consistency. It is often used as a condiment with seafood dishes. Made of an English traditional recipe blending rich creamy Mayonnaise, specially selected finely chopped vegetables and spices. Great for seafood or a prawn sauce. Tartare Sauce Great with All Seafood Tartare Sauce is the perfect complement to all fish and seafoods, served hot or cold. Particularly delicious with grilled or fried fish.