Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], 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: heat butter and oil in heavy, large saucepan over medium heat. add onions, garlic and salt, and cook 5 minutes, stirring often. reduce heat to very low, and cook, stirring occasionally, 50 to 60 minutes, until onions are very tender and brown. stir in flour, and cook 3 to 4 minutes, stirring constantly. blend in broth, sherry and mustard. cover, and simmer 15 minutes, stirring occasionally. stir in sherry vinegar. preheat broiler, ladle soup into six heat-proof bowls. top each with slice of toast and grated cheese. broil until cheese is bubbly and golden, about 1 to 2 minutes. serve hot.