Mushroom Stock for our soup

Makes 1.5 – 2 litres stock Ingredients 75g dried shitake mushrooms 1 ½ tbsp olive oil 100g fresh mushrooms 2 medium carrots, peeled, diced 1 medium onion, chopped into 1 cm pieces 2 celery stalks diced ½ cup leek greens, roughly chopped, 1 cm pieces 3 sage leaves or large pinch dried sage Bouquet garni [...]