In a large soup pot heat oil over medium heat. Add onions and cook over low heat until caramelized, about 25 minutes. Add peppers and cook until soft, about 5 minutes. Add garlic and cook another minute.

Add broth and bring to a boil. Cook over low heat for 30 minutes.

Puree soup in a blender or using a stick blender and adjust seasoning.

To Serve

Heat a sauté pan over medium heat with 2 tsp oil. Add sausage and cook until golden, about 3 minutes.

To serve, ladle soup into bowl and garnish with sausage