Cook Broccoli Stems: Add the chopped broccoli stems to the pot. Stir for a couple of minutes, allowing them to soften slightly.
Add Vegetable Broth: Pour in the vegetable broth and bring the mixture to a boil. Reduce heat and let it simmer for about 20 minutes, or until the broccoli stems are tender.
Blend the Soup: Using an immersion blender, blend the soup until smooth. Alternatively, you can transfer the soup in batches to a countertop blender.
Add Milk or Cream: Return the blended soup to the pot and stir in the milk or cream. Heat through, but do not boil.
Season: Taste and season with salt and pepper according to your preference.
Serve: Ladle the soup into bowls and garnish with croutons or toasted nuts if desired. These steps will guide you in creating this incredible soup effortlessly.