Korean Mushroom soup - Maison Marmite

Ingredients

• 1 stalk of leek
• 1 onion
• 10 button mushrooms
• 5 shitake mushrooms
• 1 clusters of enoki and/or shimeji mushrooms (and/or oyster mushrooms)
• 1 tablespoon sesame oil
• 1 tablespoon cooking oil (rapeseed, olive...)
• 3 tablespoons soy sauce
• 3 cloves garlic
• 1 tablespoon Gochugaru (or paprika and Cayenne pepper)
• 1 litre water
• 1 teaspoon salt