4 winter squash, any variety, cut in half
1 lb lemon grass, outer layers removed and inner layers chopped
3 oz galangal root, chopped
1/2 oz makrut lime leaf, sliced thinly
2 oz shallot, chopped
1 cayenne pepper, chopped
6 oz garlic cloves, chopped
1 tsp ground turmeric (or 1 inch piece of fresh)
2 cans coconut milk