Preheat the oven to 200°C/400°F.
Rinse the sweet potatoes, pierce with a fork all around then onto a baking sheet lined with parchment paper, and bake for 30 minutes until tender, the remove from the oven.
While the potatoes are baking, melt the Smart Balance butter in a medium sauce pan, add the onions and garlic, and fry for one minute.
Add turmeric, ginger, coriander, cayenne and cinnamon, mix to combine, then add the lentils, brown rice and vegetable broth, bring to boil then let simmer over low heat until all the liquid is absorbed.
Season with salt, add the pomegranate, almonds and mint leaves, toss to combine and set aside.
Cut open the sweet potatoes, and stuff them with Moroccan lentils and brown rice as cooked above.
In a small bowl mix the yogurt with olive oil and lemon juice, then drizzle on top of the stuffed sweet potatoes and serve.