Eiyuu Sonogo no Second Life: Shikashi Kodomo ni Ryouri wo Furumau no wa Tanoshii Kamo na

The otherworldly gourmet fantasy story centers on a navy admiral who is considered a hero known as the Sword of Alba. His country sends him to study at a military academy, but after meeting a fairy along the way, he ends up at an elven academy instead. He adapts to his environment and ends up cooking for young children there.

(Source: Anime News Network)