Tartar sauce can be an acquired taste; it's not as off-putting as many see guacamole, but it does have its detractors. I like cocktail sauce too, but for fried fish or shrimp, I really love a good tartar sauce. The One Ingredient that Great Tartar Sauce Has That Good Tartar Sauce Doesn'tThis addendum, if you will, takes place after you've whisked, stirred, forked, and blended the ingredients into a tangy fresh sauce. The longer the ingredients in your tartar sauce sit together, the more amazing it will be. READ MORE: Acadiana's Best Chicken Salad - See the ListOther advantages of chilled tartar sauce besides the enhanced flavor: when it's cold, it's thicker.