In bowl, whisk together water, yogurt, and seasoning. Set aside.
Peel and cut sweet potatoes. Place in Multipurpose Steamer. Cover; microwave on high 6 min or until cooked.
Meanwhile, heat oil in a sauté pan over high heat. Crumble in turkey; cook, breaking up meat using Ground Meat Separator, until the meat is cooked through, about 6 min. Add broccoli; cover and steam 2 min.
Reduce heat, add reserved seasoning mixture and cooked sweet potatoes, stir to combine.
Sprinkle with grated cheese; cover, until cheese has melted.