What happens in the episode of Just add magic called Just add Caroline?

In the "Just Add Magic" episode titled "Just Add Caroline," the girls discover a new recipe that allows them to bring a character from a story to life. As they experiment with the recipe, they inadvertently summon a girl named Caroline, who is both charming and mischievous. However, they soon realize that bringing her to the real world creates unexpected complications, leading to a series of challenges they must navigate. Ultimately, the girls learn valuable lessons about friendship and responsibility as they deal with the consequences of their magical actions.