Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  cup           butter
   1 1/2  pounds        yellow onions -- sliced 3/8" thick
   1      tablespoon    sugar
     1/4  cup           madeira
                        parmesan cheese

Preparation:

Melt the butter in a skillet, add the onion, and cook, covered, over medium heat until soft and transparent. Uncover, stir in the sugar, reduce the heat, and cook gently until brown, about 1 hour. Stir in the Madeira and cook 2 minutes. Toss the sauce with drained, cooked pasta, preferably tomato pasta, spaghetti, or macaroni. Serve at once with grated Parmesan cheese.