1Place couscous in a heatproof bowl. Cover with ½ cup boiling water. Cover and stand for 5 minutes; separate grains with a fork. Cool.
2Meanwhile, heat oil in a large frying pan on high. Sauté onion for 4-5 minutes until very tender. Transfer to a large bowl. Cool.
3Add couscous, mince, apple, sweet potato puree, egg and parsley in a bowl. Season to taste. Roll tablespoons of mixture into balls. Flatten slightly and coat in breadcrumbs.
4Heat oil in same pan, cook nuggets for 2-3 minutes, each side until golden and cooked through. Drain on paper towel.
5Tip:
*Microwave cubed Sweet Potato until soft (1-2 mins), then mash with a fork.
Uncooked mixture can be frozen. Defrost in the fridge before rolling into nuggets and crumbing.