Oyatsu no Jikan

The protagonist is a young pâtissie who wants to become a world class bakery chef. Because of his knowledge of sweets he takes a job as a school nurse at Sweets School, a school where sweets learn everything from sports to cooking. As the school nurse, he uses his knowledge of baking and cooking to take care of them when they become sick or injured often by adding sauces or toppings when they're ill.

(Source: VNDB)