Popular condiments are tomato ketchup, mayonnaise, and tabasco sauce. The bun has mayonnaise, ketchup and mustard. Russian dressing is a piquant American salad dressing consisting of mayonnaise, ketchup, and other ingredients. Bicky is a sort of hamburger sauce with mayonnaise, onions and pickles. It is an ingredient in sauces, such as hot sauce, mustard, ketchup, and mayonnaise. It is served sometimes with soy sauce or Japanese mayonnaise. Seafood lumpia, filled with shrimp, diced carrots, scalion, garlic and mayonnaise. Boiled egg slices, mayonnaise and culinary herbs are optional extra toppings. The average Uruguayan eats them usually with mayonnaise or ketchup. Also, cocktail sauce, mayonnaise, and hot sauce are sometimes used. It is also used as an ingredient in mayonnaise, vinaigrette, marinades, and barbecue sauce. Alternative bases include mayonnaise and cream cheese. The term "Dijonnaise" refers to a blend of Dijon mustard with mayonnaise. The hamburger contains a beef patty topped with mayonnaise. The UK burger is also vegan when ordered without mayonnaise or cheese.