Preheat the oven to 400 degrees.
Using a potato peeler, peel the butternut squash; then; remove the seeds with a spoon.
Cut the butternut squash into cubes. Place the cubes on a greased baking sheet and drizzle with olive oil. Toss to coat.
Bake for 20-25 minutes or until the butternut squash is tender. Remove from the oven.
Sauté the red pepper, yellow pepper, leeks and onion in butter.
Add the chicken broth, Better Than Bouillon and water. Bring to a boil.
Reduce heat and let simmer for 2 hours.
With an immersion blender, blend the mixture until smooth.
Add the spices and stir.
Simmer for 20 minutes or until it starts to bubble.
Stir in the cream and cook for 5 minutes.
Taste to adjust seasonings. If your seasonings are OK, you are ready to serve.
Garnish with a dollop of sour cream.