Romance about a single dad and the bakery owner who afterwards becomes the nanny of the Hero's daughter

[Twinkle]

The book is about a single dad who has a little girl and the heroine is the owner of a bakery. The little girl's grandmother takes her to the bakery where she forms a liking to the heroine. The heroine then becomes the nanny of the little girl and after that the Hero and the heroine have a marriage of convenience.