Roast pine nuts without fat, remove. Wash the herbs and, except for some dill and basil for garnishing, pluck them. Peel garlic. Coarsely chop garlic and pine nuts
Finely puree the herbs, pine nuts, garlic, parmesan, oil and cream. Season to taste with salt and pepper
Briefly sauté the flour in hot fat. Stir in milk, 600 ml water and stock, bring to the boil. Simmer for about 5 minutes. Stir half pesto into the soup and season to taste. Use a hand blender to froth up the soup and serve with the rest of the pesto and herbs