The longest sandwich measured 735 m (2,411 ft 5 in) and was created by members of three teams in total. These teams were Groupe Notre Dame Hazmieh-Scouts de L'Independence (Lebanon), Municipality of Hazmieh (Lebanon)and Mini-B chain restaurants (Lebanon). The attempt took place in Hazmieh village, Beirut, Lebanon, on 22 May 2011. The sandwich started at Notre Dame des Soeurs Antonines School and ended on Elie Street, in Hazmieh, Beirut, Lebanon. The width of the sandwich was 12.5cm and the overall estimated weight of the sandwich is 577.03kg.
The total number of participants from the three teams who were involved in the preparation and cooking of the sandwich was 136 and 639 participants filled the sandwich, which took 22 hours to make.
Four 4-wheel movable ovens were created especially for this attempt in order to bake one long continuous piece of bread. The dough had been divided into sections and rolled out, at which point they were then joined together by further rolling, before having the movable ovens on each end of the table rolling on top of the bread cooking it as it passed.
This sandwich consisted of chicken breast, lettuce, tomato, pickles, mayonnaise, red vinegar, salt, mustard, white pepper, lemon juice, kammoun spices and corriander. Please see evidence for individual amounts by weight of each ingredient.