1. Coat a 9-inch square metal baking pan with cooking spray.
2. Melt butter in a 4-quart Dutch oven over medium heat. Add marshmallows. Cook 4 minutes or until marshmallows melt, stirring frequently; stir in ginger. Stir in cereal, nuts, and dried fruit. Gently press mixture into prepared pan using wax paper to prevent mixture from sticking to hands. Cool completely; cut into 16 squares.