Ingredients

• 1 onion, peeled and roughly chopped
• Olive oil
• 2 tablespoons of butter
• 1/4 cup of all-purpose flour (30 grams)
• 1 cup of cognac or any brandy (240 ml)
• 2 cups of plain water
• 1 ounce of dried mushrooms (30 grams)
• 4 cups of water (almost a liter)
• Worcestershire sauce
• Pepper
• 1 pound of fresh mushrooms (about half a kilo)
• Garlic cloves
• Salt
• 1 cup of cream (240 ml)