Clean, wash and chop the bell pepper and chilli pepper.
Peel and finely chop the onion and garlic. Sauté in moderately hot olive oil in a large saucepan. Add paprika and chilli pepper. After about 5 minutes, add the vegetable stock and simmer for 20 minutes. Then puree everything with the blender and strain through a sieve into another saucepan. Add the mascarpone, bring to the boil and simmer for another 10 minutes. Season the soup with salt and pepper.