Braised Onion Sauce

Recipe By : "The New James Beard"

Serving Size : 4

1/2 cup butter

1 1/2 pounds yellow onions, sliced 3/8" thick

1 tablespoon sugar

1/4 cup Madeira

Parmesan cheese

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.