Get her to ski. It's much easier than snowboarding, much less of a hassle, and she'll progress much faster.
Tell her she won't fall nearly as much when learning, and it will be easier to explore the whole mountain (steeper runs, tight trees) much sooner. The key is to stay out of the park for a while as she learns. the park is no place for a beginner, and the beauty of skiing is the versatility to explore new parts of the mountain.