Leftover Turkey Soup

Name: Leftover Turkey Soup
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: American, European
Ingredients: 1 tbsp olive oil; 1 tbsp butter; 1 onion (or 2 shallots); 1 carrot (large); 2 stalks celery; 1 clove garlic; 4 sprigs thyme (or 1/2 tsp dried thyme); 1½ litres / 6 cups turkey or chicken stock; 75g / 1/2 cup giant/pearl couscous; 250g / 2 cups cooked turkey or chicken; 2 bay leaves; salt and pepper to taste; 1 tbsp parsley (chopped)