Caramelized Onion Sauce

• 3 lbs onions, sliced thin
• 1/4 cup olive oil
• 1/4 cup butter
• 1 teaspoon sugar
• 2 tablespoons white wine vinegar
• 3/4 cup dry white wine
• 1 cup chicken broth
• 1 1/2 cups grated gruyere cheese
• 1/2 cup minced fresh parsley leaves
• 1 lb your favorite pasta, cooked al dente

1. Cook onions in oil and butter, covered, over moderately-low heat, stirring occasionally, for 45 minutes.
2. Add sugar and vinegar and cook, uncovered, over moderately-high heat, stirring, for 15-20 minutes, or until onions are golden.
3. Stir in wine, broth and 1 cup water, bring to a boil and simmer for 5 minutes.
4. Add cheese, stirring, until it is melted.
5. Stir in parsley and season to taste and serve immediately.
6. Enough for 1 lb pasta.
7. Fusilli is good.

onions, olive oil, butter, sugar, white wine vinegar, dry white wine, chicken broth, gruyere cheese, parsley, favorite pasta

Taken from www.food.com/recipe/caramelized-onion-sauce-63188 (may not work)