Cut 2 large onions with the grain
Caramelize onions in olive oil and butter for 40 minutes
Add minced garlic and fresh thyme
Season with salt and pepper
Add ¼ to ½ bottle white wine
Add 1 carton chicken or vegetable broth
Boil pasta directly in the sauce
Stir in 1 cup heavy cream
Top with gruyère cheese and parsley