Phineas and Ferb as Hansel and Gretel

A boy named Hansel (Phineas) and his inappropriatly named brother Gretel (Ferb) are born into a struggling family. When they go into the woods to find food, they find a giant gingerbread house, where an ill tempered witch (Candace) lives. Can she get the boys out of her house before they eat her out of house and home?