Belgian Fries Sauces: a Guide for Visitors

Belgium is known worldwide for its culinary specialties. Fries in particular have become hugely popular around the world. What is less well known, however, is that Belgium is also truly a country of sauces.

Anyone ordering fries at a Belgian fries shop can therefore quickly face an unfamiliar challenge: there may be 20–30 cold sauces on the menu. As a visitor, it is easy to fall back on familiar classics such as mayonnaise or ketchup. Of course, there is nothing wrong with that – but you would be missing out on an amazingly diverse world, which is what this guide is all about.

The following sauces are among the most important and interesting ones you may encounter at Belgian fries shops. The guide is intended not only to explain what lies behind the often mysterious names, but also to provide a little help when making a choice.

Note: The descriptions are deliberately kept relatively general. Belgian fries sauces often come in different recipes, and the taste can vary considerably depending on the manufacturer. The differences can be even greater when a fries shop makes its sauces in-house. The descriptions are therefore primarily intended as a guide.

Américaine

Américaine is a savory, usually reddish sauce with a creamy base and a strong seasoning profile. It tastes hearty, slightly spicy and, depending on the recipe, somewhat tangy. The name sounds American, but the sauce itself is a typical Belgian fries shop specialty.

Andalouse

Andalouse is one of the great classics of the Belgian fries shop. The creamy sauce combines mayonnaise with tomato and spices and often contains bell pepper or onions. It tastes savory, slightly tangy and usually only mildly to moderately spicy. If you are trying a Belgian fries sauce for the first time, Andalouse is a pretty safe choice.

Ardennaise

Ardennaise is a rich, savory sauce that pairs well with the hearty specialties of the Ardennes. A tomato base, onions and a savory seasoning profile are typical. However, the exact composition is not the same everywhere. In terms of flavor, it is more savory and spicy than sweet and goes particularly well with fries and meat.

Argentina

Argentina is a savory, tomato-based sauce with a slightly smoky barbecue character. Depending on the recipe, onions, bell peppers and herbs may also be included. It has a stronger, heartier flavor than ketchup, but is normally much milder than hot fries sauces. It goes particularly well with fries, grilled meat and savory snacks.

Béarnaise

The cold Béarnaise served at Belgian fries shops has quite a bit in common with classic warm Béarnaise, but it is a creamy sauce intended to be served cold. Its most distinctive feature is its pronounced tarragon and herb flavor. It is aromatic and relatively mild and goes particularly well with fries, steak and other meat dishes.

Black Pepper

Black Pepper is a creamy pepper sauce with a clearly noticeable black pepper flavor. It tastes savory, spicy and somewhat richer than plain mayonnaise, without necessarily being hot. If you like the taste of pepper, this is a straightforward sauce for fries, burgers and meat.

Brasil

Brasil is a sweet and fruity sauce with a creamy, savory base. Tomato, curry and fruity flavors such as pineapple are often combined. As a result, it tastes sweet, mildly spicy and slightly exotic at the same time. It is a good choice for anyone who finds classic mayonnaise too neutral and hot sauces too intense.

Burger

Burger sauce is a creamy, slightly sweet sauce with typical flavors of tomato, mustard, pickles and onion. It resembles the classic sauce used on an American burger, but in Belgium it has long since become a firm part of fries shop culture. It goes particularly well with burgers, but of course also with fries.

Cocktail

Cocktail sauce is creamy, mild, slightly fruity, but also quite distinctive. It is usually based on mayonnaise combined with tomato or tomato paste and subtle seasoning. Depending on the recipe, it may contain a hint of whisky or a slight spiciness. It is considerably milder than Samouraï or Pili Pili and goes well with fries as well as snacks and seafood.

Curry

Belgian curry sauce is a creamy, mayonnaise-like sauce with a characteristic curry blend. It tastes savory and aromatic but is normally not particularly spicy. Depending on the fries shop, there are sweeter, stronger or more onion-heavy versions. Curry ketchup is also common and tastes much more tomato-forward and less creamy.

Dallas

Dallas is a genuine Belgian curiosity: originally, the sauce did not even exist. Its name comes from the Belgian cult film “Dikkenek” from 2006, in which a character orders fries with “sauce Dallas” at a fries shop – even though no such sauce existed at the time. The line from the film became so famous that a Dallas sauce was later actually developed. It is creamy, sweetish, savory and slightly spicy, often with a pronounced onion flavor.

Diablo

Diablo is one of the hotter sauces. A tomato base is combined with bell pepper and strong seasonings, often with added chili. The sauce is savory and ranges from spicy to hot. If you are only looking for a mild seasoning, you should be careful with Diablo – the heat can vary considerably from one fries shop to another.

Garlic

Garlic is a creamy, mayonnaise-like sauce with a pronounced garlic flavor. It is normally mild rather than hot and goes particularly well with fries and grilled meat. The term aioli is also used, although the Belgian fries shop version does not necessarily correspond to the traditional Mediterranean aioli recipe.

Hawaï

Hawaï is a mildly sweet sauce with fruity and savory notes. It is often made with a mayonnaise base and combined with pickles, mustard and spices. The result is creamy, slightly sweet and aromatic without being particularly spicy. It goes particularly well with fries, chicken and burgers.

Ketchup

Belgian fries ketchup is the straightforward choice for anyone who does not want a creamy sauce. It tastes tomatoey, sweetish and slightly tangy and is particularly popular with children and classic snacks. If you prefer something more savory, you can ask for curry ketchup, which adds a distinct curry and spice flavor.

Mammouth

Mammouth is a typically Belgian, somewhat sweet specialty among fries sauces. It combines a tomato base with onion, curry and mustard flavors. The result is creamy, savory and mild to slightly spicy. The sauce is especially a good choice for anyone who enjoys sweet-and-savory combinations and is not looking for pronounced heat.

Mayonnaise

Belgian mayonnaise can be a small surprise for many visitors: traditionally, it is richer, more tangy and less sweet. A good Belgian mayo is creamy, rich and slightly acidic. For a classic Belgian fry, it is one of the most important sauces of all.

Mayonnaise Variations

In addition to classic mayonnaise, Belgian fries shops offer an astonishing variety of variations. Truffle, basil, pepper, herbs or other ingredients can significantly change the familiar mayo. The basic idea remains the same, however: a creamy, usually slightly tangy sauce that takes on its own distinctive character through the additional flavor. Which variations are available depends heavily on the individual fries shop.

Mitraillette

Mitraillette is actually the name of a Belgian snack rather than a universally established classic sauce. Some fries shops do, however, offer a sauce under this name that is specifically intended to accompany the Mitraillette. It is typically savory, onion-heavy and spicy. If you come across it on a sauce menu, be aware that the name does not refer to the same recipe everywhere.

Pickles

Pickles is not for sauce beginners looking for a mild and creamy accompaniment. The Belgian sauce contains pickled vegetables such as cucumbers and therefore tastes strongly acidic, savory and often surprisingly intense. It is more reminiscent of a spicy relish than classic mayonnaise. It is best to start with a small amount.

Pili Pili

Pili Pili is one of the hotter options on Belgian sauce menus. The name refers to a sauce with a strong chili flavor, although the consistency and exact recipe can vary from one fries shop to another. In terms of flavor, the focus here is primarily on heat and spice. If you are not used to spicy food, you should start with a small amount.

Pita

Pita sauce is a creamy sauce in which garlic and herbs are the dominant flavors. It can resemble tzatziki, but is not automatically the same thing: some versions are much creamier and more mayonnaise-like, while others are more yogurt- and garlic-based.

Samouraï

Samouraï is one of the best-known spicy Belgian fries sauces. The creamy base is combined with bell pepper and chili, resulting in a rich, spicy sauce with noticeable heat. It is considerably more intense than regular mayonnaise, but its creamy consistency keeps it pleasantly full-bodied. For lovers of spicy food, Samouraï is a classic.

Tartare

Tartare is a creamy, savory Belgian sauce with onions and fresh herbs. It is noticeably more aromatic than plain mayonnaise while remaining mild and pleasantly tangy. Traditionally, it is served with fish and fried foods, which is why it also goes extremely well with fries. A good choice for anyone who finds mayo too plain.

Tomato Sweet Onion

Tomato Sweet Onion combines a creamy sauce with sweetish tomato and onion. This creates a mild, slightly sweet yet savory flavor. It is less tangy than classic mayonnaise and less intense than many spicy sauces. If you like ketchup but are looking for something creamier and more refined, you will probably get along well with this.

Other

Of course, this list is not complete. Belgium has many other sauces that are less common or only found in certain regions. Many of the well-known classics also come in different variations – such as spicy or hot versions, sweeter varieties or combinations with additional ingredients.

And then there are the warm sauces, which are also frequently offered at Belgian fries shops. These include, for example, goulash, mushroom and pepper sauce. There are also regional specialties such as Sauce Liégeoise, which is particularly common around Liège.

And finally, my personal Top 3: Andalouse by Vandemoortele, Tomato Sweet Onion by D&L, and Mitraillette by Jefke.

Bonus tip:

Visit a Belgian supermarket and take your favourites home with you! Some brands are only available through wholesalers, but Belgian supermarkets offer a huge selection. One of the oldest and best-known brands is D&L.