Mixed mushrooms: 150g (1 1/2 cups, sliced), Wild rice: 40g (1/4 cup, dry), Onion: 50g (1/3 medium, diced), Celery: 50g (1 stalk, diced), Garlic: 6g (2 cloves, minced), Vegetable broth: 350ml (1 1/2 cups), Heavy cream: 60ml (1/4 cup), Butter: 15g (1 tbsp), Flour: 15g (1 tbsp), Thyme: 1g (1/2 tsp, dried), Bay leaf: 1, Fresh parsley: 5g (1 tbsp, chopped), Salt: to taste, Black pepper: to taste