Cut the squash in half lengthwise and brush with oil before baking facedown on a lined sheet pan for 40-50 minutes at 425°F.
In a stockpot, sauté the onion and garlic until the onions are translucent.
Add the taco seasoning, salt, and pepper and sauté for a few minutes before removing from the heat.
When your squash is done roasting, use a large spoon to scoop out the flesh and add it to a blender along with the onion/garlic mixture and 2 cups of the broth.
Blend until smooth and transfer the soup back to your stockpot.
Add the rest of the stock and butter, then mix well and simmer for 10 minutes.
Serve with a sprinkle of pumpkin seeds and with a side of fresh sourdough. Enjoy!