Decadent Treats and His Sweet Affection: A Viscount's Daughter with a Broken Engagement, Showered with Love by the Margrave's SonNewAmai Okashi no Nochi wa Amai Dekiai o: Kon'yaku Haki Sareta Reijou wa Henkyou Haku Shisoku ni Dekiai Sareru; 甘いお菓子の後は甘い溺愛を　～婚約破棄された令嬢は辺境伯子息に溺愛される～; Decadent Treats and His Sweet Affection: A Viscount’s Daughter with a Broken Engagement, Showered with Love by the Margrave’s Son

Richelle is your average lady of nobility: charming and madly in love with her busy fiancee. However, on her way to the palace to give him some treats she baked to help him get through the day she spots him kissing another lady that he was initially working with! After being ridiculed for making baked goods, the engagement was called off. However, a handsome margrave named Lucien comes across her snacks, and after tasting them cannot help but express how refreshing they were. Now begins a fresh romance between the charmed margrave, and totally unaware sweets connoisseur! *Source: MangaPlaza*