Wild Rice Feta Salad

1 red onion finely diced
1 carrot grated
1 stick of celery grated
1 cooked beetroot grated
1 pink lady apple diced
A large handful of kale finely chopped
A handful of frozen peas defrosted in some boiling water for 2 mins
1 pouch of Uncle Ben wild rice cooked in microwave
A handful of fresh chopped parsley and mint
A small handful of toasted walnuts and pumpkin/ mixed seeds
The juice of 1 large orange, 1 tsp of dijon, 2 tbsp of rapeseed or olive oil and seasoning to taste whisked into a dressing
1 bag of mixed leaves
A sprinkling of feta to serve {optional}