Martha Stewart's French Onion Soup Cooking the onions for a very long time over low heat mellows their flavor. Don't stir them too often or they won't caramelize. This soup tastes best when made with homemade beef stock. Share this recipe with friends and family! Send this recipe to friends Your email * Your name * Friend's email * Friend's email Friend's email Friend's email Friend's email Your message * Check out this delicious recipe I discovered on Keyingredient.com! Human check * *required fields We would like to remind you that we do not save these email addresses and no undesired emails will be sent. If this is your first participation on Keyingredient.com, you will receive an email giving you the possibility to participate actively on the website and manage your subscriptions. OK Recipe Print Comments Photos Send this recipe to friends