Soup Base
2 tablespoons unsalted butter
2 tablespoons oil
1 large red onion, peeled and diced
1 large carrot, peeled and diced
2 stalks celery, diced
2 tablespoons tomato paste
200 grams tomatoes, peeled, deseeded and diced (alternatively, use cherry tomatoes)
1 litres low-sodium chicken / vegetable stock (4 cups)
2 dry bay leaves
125 ml heavy cream, additional for garnish
Salt and freshly ground black pepper
Fresh parsley, chopped
Roux (optional)
2 tablespoons unsalted butter
2 tablespoons all-purpose flour