冒険者酒場の料理人, Boken Sha Sakaba No Ryori Jin

Yoishi, the owner of a bar, is disappointed with the poor food his adventurers are eating. One day, he begins to explore the cooking method, a bitter and inedible food found in the city's labyrinth, for a group of new adventurers. One chef and a variety of ingredients from the labyrinth dramatically change the simple food situation in another world in this exciting story of a thriving bar!