- 2 large butternut squashes, seeded and sliced into rounds
- 4 carrots, peeled and cut into chunks
- 1 large yellow onion, quartered
- 8 cubes vegetable bouillon
- 1 white potato, peeled and cut into chunks
- 8 cups water
- 1 bay leaf
- 1 teaspoon garlic powder
- 1/2 teaspoon ground nutmeg
- salt and ground black pepper to taste
- Preheat an oven to 500 degrees F (260 degrees C). Line a baking sheet with aluminum foil.
- Spread squash, carrots, and onion out into a single layer on the prepared baking sheet.
- Bake in the preheated oven until slightly browned, about 10 minutes. Cut rind from squash and discard.
- Place bouillon cubes in a slow cooker. Pour peeled squash pieces, carrots, onions, and potato into slow cooker. Pour water over vegetables and stir in bay leaf, garlic powder, nutmeg, salt, and black pepper.
- Cook on High for 4 hours, stirring once. Discard bay leaf.
- Puree soup with an immersion blender until smooth.