Bake the sweet potatoes in a 350 degree oven for 1 hour or until fork tender. While they are cooking, make your filling. Cook the quinoa in the vegetable broth. And while that is cooking, saute the onion in the butter and olive oil with a pinch of salt until soft. Add in the kale, almonds and cranberries and saute until the kale is soft , about 3 minutes. Add the finished quinoa to the frying pan and mix together.