Steps
1. Scoop the flesh of the avocado into a blender.
2. Peel and slice the banana, then add it to the blender.
3. Pour in the vegetable broth and lemon juice, along with the olive oil.
4. Blend until smooth and creamy, adjusting the consistency with more broth if needed.
5. Season with salt and pepper to taste.
6. Serve chilled or at room temperature, garnished with fresh herbs.