The exceptional hamburger sandwich "Bistro-style mushroom sauce" is a hamburger made from 100% domestic meat (ground pork and beef) combined with sautéed onion and mushroom sauce. Mushroom sauce is made by boiling sliced mushrooms with onion, tomato sauce, demiglace sauce, and concentrated wine, and adding estragon (spices) to the aroma.
In addition, "Bistro-style mushroom sauce with sliced cheese", which is a combination of sliced cheese, will be on sale from the same day. The plump and juicy hamburger steak is exquisitely entwined with mushroom sauce and cheese, and you can enjoy a rich and mellow taste. The price is 480 yen.
* All listed prices include tax