If you're looking for manga similar to Baito Leader ga Hajimeru Isekai Family Restaurant Musou (Light Novel), you might like these titles.
Asayama Touya, a registered dietician, is suddenly sent to another world with his little sister Momoka. They stumble across a restaurant specializing in healthy food, but it ends up that the people of this world believe that food can't be healthy and taste good at the same time. Armed with his knowledge as a dietician, Touya begins working at the restaurant in hopes of changing the world's view of food and healthy eating.
Nagano Yoshifumi held feeling for his aunt, Misa since he was young. However, she passed away from illness two years ago, leaving Yoshifumi to live together with Misato, her daughter as her non-legal guardian. But all of a sudden one day, their house was transported into another world by the wife of the Hero. Misakumira, the one who summoned them, was the splitting image of Misa. Misakumira was an ale-wife, and had summoned them to learn how to make a superior ale under a calling by the Goddess of Harvest—.
Girl from Japan gets reincarnated as a princess of a small country in another world and becomes a candidate to be the empress, but gets rejected as he says he doesn't need one. Because she can't immediately return to her country, she now works as a chef who gets the restaurant popular by making Japanese food.
Akane, an ordinary office lady, gets summoned to a different world along with her younger sister and pet dog. There, she ends up treating rare guests one after another with hospitality through meals!! Can she satisfy the citizens of a different world with home cooking...?!
After being struck and killed by a pizza delivery bike, Kaito is given the option to be reborn in an alternate world as one of three "hero" classes: 1. A swordsman; 2. A magician; or 3. A hero who saves the world with pizza. When the first two options are quickly taken, Kaito is forced to live his second life as a hero endowed with the power of pizza, in a land of an herbivorous race of elves...one of whom happens to be his new wife! What kinds of pizza-related adventures lie ahead for our "High-Calorie Hero" and his food-obsessed elf bride?