At Mos Burger in Hokkaido, "Moss Hokkaido Lettuce Festival in Mukawa" will be held from May 19 to 21 (3 stores in Sapporo Dome), which uses lettuce from Mukawa, Yufutsu-gun, Hokkaido for all products using lettuce. Except). A limited menu will also be available during the period.

In Mukawa-cho, where there is little snow and spring sunshine, "spring lettuce" is shipped ahead of other production areas. Mukawa's spring lettuce has thick leaves and is characterized by its crispy chewy texture and strong sweetness.

"Extraordinary hamburger sandwich [large lettuce and tomato]" (490 yen), which uses plenty of spring lettuce from Mukawa, will be sold as a regional and limited-time menu. A hamburger steak made from domestically-produced minced meat, topped with tomatoes and plenty of spring lettuce, and sandwiched in buns. It is said that about three times as much lettuce is used as compared to the nationwide "Tomato & Lettuce".

In addition, the lettuce from Mukawa itself will be sold (200 yen per piece).