Keto Beef Stroganoff Soup

large beef rump (sirloin) steaks (800 g/ 1.76 lb)

brown or white mushrooms (1.3 lb)

ghee or lard (55 g/ 1.9 oz)

garlic, minced

medium white or brown onion, chopped (110 g/ 3.9 oz)

bone broth or chicken stock or vegetable stock (1.2 l/ quart)

paprika

Dijon mustard you can make your own

juice from 1 lemon (~ 4 tbsp)

sour cream or heavy whipping cream (345 g/ 12.2 oz) - you can use paleo-friendly coconut cream

freshly chopped parsley

salt

freshly ground black pepper