Make this recipe a recipe that people in that category can eat. categories: ['low_carb'], recipe: in a large skillet, over medium heat, saute onions in butter until a rich golden brown, about 30 minutes; season with black pepper during this step. bring broth or water and beef bouillon to a boil in a large saucepan or dutch oven. add onions and salt; simmer, on low, covered, for one hour. to serve, place a slice of the toast in each of 5 serving bowls. top with soup and sprinkle with parmesan cheese. to serve gratineed, place toast slice in each bowl, ladle in soup, top with slice of provolone or other semi-soft cheese (mozzarella, swiss, gruyere), sprinkle with parmesan cheese. run under broiler for a couple of minutes until cheese melts and just starts to brown.

Target 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.