Anti-inflammatory Pumpkin Soup with Parmesan Croutons

medium (1.5kg) butternut squash, rind and seeds removed and cut into 3cm chunks.

coconut oil.

sea salt and freshly ground black pepper, to season.

large (200g) brown onion.

garlic.

can of coconut milk.

cm piece of ginger, minced.

ground or fresh turmeric.

sage leaves.

pieces day-old sourdough bread, chopped into 1cm cubes.

Parmesan cheese.

olive oil.

sea salt and freshly cracked black pepper, to season.