Available starting April 28 through the end of July, the Super Mushroom Thickburger features battered and deep-fried white mushrooms as well as a portabello mushroom sauce, while the Hand-Breaded Mushrooms nets you an order of the same mushrooms that top the burger minus the rest of the burger.
The price on the new burger starts at 1190 yen (~$10.75 US) for a 1/3 lb patty, while the Hand-Breaded Mushrooms go for $480 yen (~$4.34 US) per order.
Photo via Carl's. Jr.