6–8 servings
Add enough olive oil to lightly coat vegetables. Season with salt and pepper.
Roast in a 425˚ oven, stirring occasionally, until everything is very soft.
Puree in a food processor, adding water or vegetable stock to achieve appropriate consistency.
Return to a large pot on low heat. Add lemon juice and cheese into soup. Mix well until cheese has melted.
Garnish with fennel fronds.