Creamy mushroom soup

Ingredients

• 2 tbsp olive oil
• 1 onion, roughly chopped
• 2 celery stalks, roughly chopped
• 2 sprigs thyme
• 500 g mixed mushrooms (flat, chestnut or portabella), chopped
• 1.2 l vegetable stock, hot
• 2 tbsp dried porcini mushrooms
• 1 half ciabatta loaf, cut into 8 slices
• 1 large garlic clove, halved
• 1 tbsp finely chopped parsley
• 100 ml single cream