
1 tablespoon olive oil
1 medium yellow onion, diced
2 medium carrots, sliced
2 celery stalks, chopped
3 cloves garlic, minced
4 cups chicken broth
1 teaspoon salt
1/2 teaspoon black pepper
1 teaspoon dried thyme
1 cup heavy cream
2 tablespoons cornstarch mixed with 2 tablespoons water
Optional fresh parsley for garnish