he best taste and quality of French sauce , similar to global brands. something that local competitors don't and wont have

French sauce is among the top selling sauces worldwide. Since there are ketchup and mayonnaise among the ingredients, this sauce is the popular choice for cold sandwiches.
French sauce been made by French chef called Marie Antoine Carême. 
Careme was one of very first chefs who seriously has worked on sauces 
and classified them very regularly during 19th century. 
During 20th century Mayonnaise been added to French sauce original recipe. 
& from time to time some extra ingredients get added to the original recipe; such as onion, paprika, and Ketchup.
French sauce is a bit hot and spicy in comparison with similar sauces.