I'll post the recipe for the sweet potato couscous salad I am making for Christmas

Roast sweet potato, pumpkin, green bean and couscous salad


500g sweet potato (peeled and sliced)

1 cup couscous

125g green beans (trimmed)
boiling water

butter
1/2 cup mint leaves (roughly torn)

¼ cup vinaigrette

1/2 cup natural yoghurt

1 tsp ground cumin

1 tsp honey

Method

Preheat oven to 200C.
Toss 500g sweet potato (peeled and sliced) with 1 tbsp extra virgin olive oil and roast for 20-25 minutes or until tender.
In a bowl, place 1 cup couscous with 1¼ cups boiling water and 1 tbsp butter.
Cover with plastic wrap and set aside for 5 minutes.
Cook 125g green beans (trimmed) in lightly salted water for 3-5 minutes, or until just tender, then drain.
In a large bowl, place sweet potato, couscous, beans and 1/2 cup mint leaves (roughly torn).
Whisk ¼ cup vinaigrette dressing with 1/2 cup natural yoghurt, 1 tsp ground cumin and 
1 tsp honey, then drizzle over