Fry sauce

In the United States

The Utah-based Arctic Circle restaurant chain started carrying fry sauce around 1948. The restaurant chain serves fry sauce in its restaurants in the western United States.

Fry sauce is popular throughout Idaho and the Pacific Northwest, and is found at local restaurants and at chains like Dairy Queen and Sonic.

In Puerto Rico, mayoketchup is widely used with tostones and fried foods. It is made of two parts ketchup and one part mayonnaise, plus garlic.

Characters in the 2008 film Step Brothers refer to a home-made ketchup and mayonnaise sauce as "fancy sauce."

"Fancy sauce" is sold in some stores in the US using a similar 2:1 ketchup to mayonnaise ratio.

Outside the United States

In Argentina and Chile, a similar condiment known as salsa golf (golf sauce) is a popular dressing for fries, burgers, and steak sandwiches. According to tradition, the sauce was invented by Luis Federico Leloir, a Nobel laureate and restaurant patron. It was invented at a golf club in Mar del Plata, Argentina, during the mid-1920s.

In Belgium and the Netherlands, the mixture of mayonnaise and ketchup is known as cocktailsaus, whiskey cocktail or sauce cocktail, often refined with the addition of some paprika or whisky. Another sauce known as riche, literally "rich" sauce, mixes ketchup, mayonnaise, finely chopped onion, and spices. More commonly used, however, are mayonnaise-like sauces such as Fritessaus (Dutch for "fry sauce"), Joppiesaus, or Tartar sauce. Finally, there's speciaal, which is mayonnaise and ketchup used separately on a dish (usually fries) and topped with freshly chopped onion.

In Brazil, many fast food restaurants provide rosé sauce (equal parts mayonnaise and ketchup, sometimes with hot sauce added) alongside the traditional ketchup and mustard with foods such as fries and onion rings.

In Colombia, a sauce similar to fry sauce called salsa rosada (pink sauce) is widely used. It is most commonly used on hot dogs, burgers, fries, and chips. In Costa Rica, a salad dressing also called salsa rosada (pink sauce) is served with a cabbage salad. The main salsa rosada ingredients are ketchup and mayonnaise.

In France, many Turkish restaurants and fast food establishments serve fry sauce and call it sauce américaine; it is also common for customers to request ketchup-mayo (a dab of mayonnaise and a dab of ketchup) alongside their French fries at such places. Both sauce américaine and the thousand island-like sauce cocktail can often be found in supermarkets.

In French Polynesia, a similar sauce called sauce lagon bleu (blue lagoon sauce) is made with mayo, ketchup, honey, and a dash of pickles.

In Germany, a popular product called Rot Weiss (red white) is sold in toothpaste-style tubes; it consists of unmixed ketchup and mayonnaise, which form a red-and-white striped string when squeezed out. Fries at restaurants are sometimes served with an equal mixture of ketchup and mayonnaise. Pommes-Soße or Frittensoße (fry sauce) is a lightly spiced mayonnaise similar to the Dutch Fritessaus. A condiment similar to the American fry sauce is known as Cocktailsoße, but it's more often used for döner kebab than for French fries.

In Iceland, a condiment similar to fry sauce called Kokteilsósa (cocktail sauce) is popular.

In Italy and Spain, a sauce named salsa rosa (pink sauce) is usually served along with shellfish or occasionally as a substitute for ketchup. Its ingredients are ketchup and mayonnaise but proportions may vary.

In Macedonia, liberal amounts of ketchup and mayonnaise are often served with grilled sandwiches, French fries, and pljeskavica.

In Oman fry sauce is known as Mayo-chup.

In Quebec, Canada, it is one of the standard sauces eaten with fondue chinoise or as a vegetable dip. Typically, garlic powder is added.

In Venezuela, fry sauce is known as salsa rosada and is usually served at parties with snacks like meatballs, pigs in a blanket, and tequeños.