Sweet Potatoes...might not be "new" to you but perhaps this preparation is new.
You can slice them into slabs and use them as you would toast. Think gluten-free avocado toast! Simply cut into slabs and brush both sides with a healthy oil and bake, flipping once or twice. Try with tomato sauce and fresh mozzarella for a high-fiber pizza alternative!
I also love to spiralize sweet potatoes. You can use this to do it: https://amzn.to/2GY16t5