It seems like you’re referring to the “Big Mac” from McDonald’s, a popular fast-food sandwich. The “Big Mac” consists of two beef patties, special sauce, lettuce, cheese, pickles, and onions, served on a sesame seed bun.
As for “Big Mac French,” it’s possible you’re asking for the translation of “Big Mac” into French. In French, “Big Mac” remains the same, but the pronunciation may vary slightly. It’s pronounced as “big mac” in French, though with a French accent. French McDonald’s menus often use the same names for their international products, including the “Big Mac,” to maintain brand consistency.