Make this recipe a recipe that people in that category can eat. categories: ['low_fat'], recipe: in a large skillet, sauté onions in butter until crisp-tender. transfer to an ungreased 5-quart slow cooker/crock pot. add the broth, worcestershire sauce, and bay leaves. cover and cook on low for 5 to 7 hours or until the onions are tender. discard bay leaves. top each serving with french bread and cheeses.

Target recipe: gently cook onions and butter in a large pan for about 30 minutes, stirring occasionally making sure they do not burn. the onions should be soft and a rich golden colour. sprinkle in flour, stir well then add stock. stir until boiling, lower the heat and simmer gently for about 20 minutes. place bread slices on a baking tray, bake in a moderate oven for about 10 minutes or until crisp. season soup to taste with salt and black pepper and pour into a soup tureen or into indivual bowls. top with bread slices, sprinkle with cheese and bake a further 10 minutes in a moderate oven.