With jammy caramelized onions and a rich beef broth its no surprise French onion soup is a comfort food classic and these flavors are perfect for a cozy pasta dinner. Equal parts easy and elegant this One Pot French Onion Pasta is great for weeknight and date night.
Heat the olive oil and butter in a large dutch oven over medium heat until the butter has melted. Add in the sliced onions and stir to ensure the onions are well coated. Cook the onions for 30 minutes, stirring every 3-4 minutes, until the onions are golden brown.
Add in the sliced mushrooms, garlic and thyme and saute for 3-4 minutes. Pour in the sherry or wine, worcestershire sauce, and 1/2 tsp each of the salt and pepper and cook for an 1-2 minutes while scraping up the browned bits from the bottom of the pan with a wooden spoon.
Add the beef broth and pasta into the pot and bring to a boil. Cook for 12 minutes or until the pasta is al dente. Stir in the the cream and gruyere cheese until the cheese is melted and fully incorporated and the sauce is creamy. Divide among four bowls and serve as desired.