Carmen is one of the grandchildren of Doña Angelica
Carmen has a love for cooking nowadays runs her grandmother's business. However her food dosen't taste good because her grandma forgot to tell her that the cookbook was in the pantry. She dosen't give up easily unlike her cousin/brother Julio
In A Day to Remember She found grandma's cookbook and cook for Julio to make him feel better. This also made the restaurant still open. Then she found their toys and remember playing with Julio.
In Navidad she invites Elena to their Navidad party. Elena merges the parties. It then ended up a mess. Due to Doña Paloma wanting money. At the end they apologized and went back to Avalor castle for a big celebration.