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One Pot French Onion Pasta

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One Pot French Onion Pasta is a cozy, creamy twist on the classic French onion soup, made with caramelized onions, savory broth, melty cheese, and pasta—all in one pot. It’s rich, comforting, and perfect for chilly nights or an easy weeknight dinner.

Ingredients

  • 2 large yellow or sweet onions, thinly sliced
  • 2 cloves garlic, minced
  • 2 tbsp butter or olive oil
  • 1 tsp fresh thyme (or 1/2 tsp dried thyme)
  • Salt and pepper, to taste
  • 8 oz short pasta (penne or fusilli)
  • 3 1/2 cups beef or vegetable broth
  • 1 tsp Worcestershire sauce (optional)
  • 1/4 cup heavy cream (optional)
  • 1 1/2 cups shredded Gruyère or Swiss cheese
  • 1/4 cup grated Parmesan cheese (for serving)

Instructions

  1. In a large pot, melt butter or heat olive oil over medium heat.
  2. Add sliced onions and a pinch of salt. Cook low and slow for 25–30 minutes, stirring often, until caramelized and golden brown.
  3. Stir in garlic and thyme, cooking for another minute until fragrant.
  4. Pour in broth and Worcestershire sauce (if using), then bring to a simmer.
  5. Add uncooked pasta and stir well. Simmer uncovered, stirring occasionally, for 10–12 minutes until pasta is tender and liquid is mostly absorbed.
  6. Stir in heavy cream (if using) for a richer sauce.
  7. Mix in shredded Gruyère cheese until melted and creamy.
  8. Serve hot, topped with Parmesan cheese and cracked black pepper.

Notes

  • Add mushrooms with the onions for more savory depth.
  • Stir in shredded rotisserie chicken for added protein.
  • Swap some broth with white wine for sharper flavor.
  • Broil with extra cheese for a baked French onion soup vibe.
  • Reheat with a splash of broth or cream to loosen sauce.

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