Peel, wash and finely dice the carrots. Peel and finely dice the onion. Peel garlic and chop finely. Melt 40 g butter in a pot, fry onions, garlic and carrots in it while turning.
Season with salt and pepper. Dust with flour, sweat and gradually deglaze with stock, cream and milk. Bring to the boil and simmer covered for 6-8 minutes. Stir several times
In the meantime, dice bread. Heat 10 g butter in a frying pan, add bread and fry over a low to medium heat until golden brown, turning, remove. Wash the dill, shake dry and chop finely. Season soup with salt, pepper, sugar and lemon juice. Arrange in soup bowls sprinkled with croutons and dill