For the herb soup with garlic croutons, chop the onion and sauté in olive oil with half of the herbs until translucent. Deglaze with white wine until the alcohol has evaporated. Season to taste, add the remaining herbs and puree.
Refine with cream or crème fraîche as desired.
For the croutons, cut old white bread into cubes and roast in butter with pressed garlic and possibly herbs. Add to the soup and you’re done!