This is a hamburger that "maximizes the difference" of "direct fire grilling", which is the most characteristic of BK. It is a menu that is gaining popularity in the United States, the United Kingdom, Germany, and other countries around the world, and was sold in Japan for a limited time in April last year.
The regular size "BIG KING 4.0" has three layers of buns with a diameter of 4 inches (about 9 cm). On the upper layer is a piece of beef patty grilled on an open fire, lettuce, sliced onions, and pickles. The lower layer is layered with grilled beef patty and cheddar cheese. In addition, the original "BK KING sauce" is combined with both the upper and lower layers. The single item price is 490 yen (tax included, same below).
In addition, "BIG KING 5.0" using buns with a diameter of 5 inches (about 13 cm) will also be sold. The single item price is 790 yen.
In addition, during the period from November 6th to 29th, a "Big □ Discount Campaign" will be held where you can feel the difference from other companies' "Big Burgers". If you bring a receipt with "Big ○○○" or a real thing named "Big ○○○" to each BK store, BIG KING 4.0 alone is usually 490 yen, but 370 yen, and potato M set is usually It is said that it will be offered for 670 yen instead of 880 yen.