cooking.nytimes.com

This lemon-scented soup, based on a Greek avgolemono, is a warming meal in the depths of winter. Made with good chicken broth, it’s familiar and comforting. But fresh lemon adds a sunny brightness while the egg and rice thicken things up, making the broth richer and heartier. To add vegetable matter, I stir some escarole into the soup, letting it wilt until silky and soft. If you like you can substitute spinach or baby kale for the escarole, adding an extra few minutes to the cooking time if using the kale.