Make this recipe a recipe that people in that category can eat. categories: ['low_fat'], recipe: in large dutch oven over medium heat, melt butter. add onions and sugar. cover and cook, stirring occasionally, 30 minutes or until onions are tender but not colored. uncover pan, increase heat slightly and continue to cook, stirring regularly until onions are rich caramel colour (10 to 15 minutes) do not let onions burn. stir in flour until well blended. gradually add wine; cook, stirring constantly, until mixture boils and thickens. stir in beef broth and pepper; bring to boil. reduce heat to low. cover and simmer 15 minutes. ladle soup into 6, 1-1/2 cup oven proof bowls. top each with bread slice; sprinkle with swiss cheese and parmesan cheeses and paprika. place bowls on jelly roll pan. broil until cheese melts and bubbles.

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.