1/2 stick unsalted butter (1/4 cup)
1 large onion, chopped
1/2 Tablespoon fresh ginger, peeled and chopped
2 large garlic cloves, minced
3 cups chopped carrots
2 tomatoes, peeled, seeded and chopped
1 teaspoon grated orange zest
3 cups gf chicken stock
1/2 cup heavy cream
1 Tablespoon fresh lemon juice
Salt and freshly ground black pepper
4 Tablespoons
creme fraiche1 teaspoon lemon zest