Kikan Gentei, Daiyon Kishidan no Kitchen Maid: Kekkon shitakunai node Shuushoku shimashita @comic

Alice, a viscount's daughter, agrees to work as a live-in kitchen maid because it's her one way out of getting married! Unfortunately, her new life won't be as smooth sailing as she had hoped. Her assignment is the Fourth Paladin Order, which happens to be full of handsome men...her natural enemy! The reason for that? Well, in Alice's previous life, she had a handsome husband who betrayed her. He was nothing but a piece of trash without any other redeeming qualities. But as Alice fills the paladins' stomachs with her hearty Japanese dishes, they slowly begin opening up to her, revealing secrets they had hidden away, Perhaps her job won't be so unpleasant after all. Food, excitement, and wholesomeness all around! (Source: TO Books)