Try this. It's good. And metric, too.
Great Unified Lentil Soup
Peel and dice onion and garlic. Roast gently with 30 g of butter in a large pot.
Add diced meat, keep roasting gently.
Dice greens and spring onions, add, and let it all simmer for about 5 minutes.
Add washed lentils, cover with broth.
Add diced potatoes. Cook at medium heat for about 30 minutes.
Slice mushrooms finely and roast for 5 minutes in a pan with 20 g of butter. Then add to the soup.
Add milk, cream and tomate past; let boil for a moment.
Add lemon juice.
Add salt, pepper, paprika and curry to taste.
Serve strewn with chopped chervil and decorated with mushroom slices.