Ingredients
2 tablespoons finely chopped onion
1/4 cup unsalted butter
4 slices bacon, cut into 1/2-inch pieces and crisp-cooked
3 ounces prosciutto, sliced 1/8-inch thick and cut into 1/2-inch pieces
1/3 cup dry white wine
1/3 cup whipping cream
1/3 cup milk
1 egg yolk, slightly beaten
2 tablespoons finely shredded Parmesan cheese
1 tablespoon snipped fresh parsley
1 9 ounce package refrigerated fettuccine
Finely shredded Parmesan cheese (optional)
Cracked black pepper (optional)