Mushrooms take 3 hours to prepare. Chicken stock takes 2-4 hours to prepare.
Cooking time: 15-30 minutes
Thoroughly beat eggs together in a separate bowl.
Bring stock to boil in a saucepan.
Stir in the mushrooms.
Drizzle in egg mixture slowly while stirring with a whisk.
Lower the temperature to a simmer and continue cooking for another 2-3 minutes while stirring. (The egg should form ribbons in the soup.)
Season with salt and pepper.
Sprinkle freshly grated Parmesan cheese on top.
SOME TIPS AND COMMENTS
Plan to avoid preparing all ingredients in one day or you will be exhausted.
Can include about 10 oz/300g baby spinach leaves