Heat the coconut oil in a Dutch oven or large pot over medium heat. Add the onion, celery, and carrots and sauté, stirring frequently, for 6-7 minutes until the onions turn translucent.
Add the garlic, ginger, coriander, cayenne pepper, and miso paste and sauté for 2 minutes, stirring frequently, until the garlic turns golden.
Add the pears or apples, butternut squash, vegetable broth, and salt. Increase the heat to high and bring the soup to a boil. Once boiling, reduce the heat to medium-low and simmer with the lid ajar for 20 minutes.
Stir in the coconut milk, lime juice, and soy sauce. Blend with an immersion blender until smooth, or very carefully transfer the soup to a high-speed blender and blend with the lid vented to prevent hot splatters.
Season the soup to taste with salt and serve hot, garnished with chopped cilantro and a drizzle of coconut cream if desired.
Notes
Blending the Soup: If using a high-powered blender, transfer the soup carefully and make sure to process the mixture with the lid vented to prevent the soup from building up and splattering.
Adjusting the Sweetness: Apples bring a subtle fruity taste to the coconut milk butternut squash soup. You can also use pears.
Prepare in Advance: If possible, peel and chop the vegetables you need in advance to save some time in the kitchen.