If you're looking for manga similar to Gohan wa Watashi wo Uragiranai, you might like these titles.
Yamada, Bun is a shy, quite, keep to herself kinda girl but when it comes to cooking she gets really into it and is an awesome cook. She lives alone with a talking stuffed animal named Hokusai but only she can hear him speak. Bun is fine with her life as long as she has her food and Hokusai.
Both are slice-of-life food-centric manga with female protagonists and slightly bizarre art styles. Each series' protagonist has a different relationship with food. Bun-chan from Meal with Hokusai is an introverted but vibrant college freshman whose happiest moments are when she's cooking. GohanUra's unnamed protagonist is a older woman who uses food as a means to switch off from the world and immerse herself in some exhaustion-induced delirium.
After a career change, Mizuki finds herself listless and dissatisfied with her new job. But when Frenchwoman Emma moves into Mizuki's share house during her quest for the best green teas, Mizuki finds herself developing a new interest in the beverage she had always taken for granted.