Arrange the chopped butternut in an oven safe roasting dish and drizzle with olive oil.
Season and roast in the oven for about 40 minutes at 180 degrees Celsius until soft.
Heat the butter or coconut oil in a small saucepan and saute the onion, celery, garlic and chili for a few minutes until onion is translucent. Set aside.
When the butternut is done, transfer it to a large mixing bowl together with the sautéed ingredients.
Add the chopped spinach and mix through. Add the cooked rice and mix.
Finish off with parsley and seasoning to taste. Serve hot or cold.