Cook the beans using an Instant Pot or your preferred method. (Or use canned).
Heat the oil in a large soup pot over medium heat. Add the chopped leeks and stir occasionally for five minutes as they soften.
Add the celery, garlic, carrots and cook an additional 10 minutes, then add the stock, beans, herbs, salt, and pepper.
Bring the soup to a boil, then reduce heat and cook on medium low heat for 25-30 minutes.
Using a blender or immersion blender, puree the soup to a smooth, creamy consistency. Remove from heat source, add the lemon juice, and serve warm.
Add goat cheese to each serving bowl, and a touch of finishing salt if desired.