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: melt butter with oil in large pot over low heat. add onions,leeks and garlic and cook until onions soften, stirring occasionally, about 15 minutes. increase heat to medium-low; add sugar and cook until onions are deep golden brown, stirring frequently, about 30 minutes. add flour and stir 3 minutes. add stock, vermouth, hot pepper sauce and pepper;simmer 40 minutes and season to taste with salt. (can be prepared 1 day ahead. cool and refrigerate. rewarm before continuing.). preheat broiler. divide soup between two 8 ounce soup crocks or oven-proof bowls. top each with toasted bread and 2 slices cheese. broil until cheese melts and top is deep golden brown; serve immediately.