Tartare Sauce. Move over tartare sauce, meet your new companion for fish and chips Heinz Fish & Chips Sauce! This tangy, herby sauce combines gherkins, parsley, and dill to create a creamy, delicious sauce perfect for fish, potatoes or your favourite green veg. Whether you're drizzling it over crispy fish, dipping golden fries, or adding a burst of flavour to fresh vegetables or creamy potato salad, this sauce brings a refreshing twist to every dish.