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One Pot French Onion Pasta

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One pot French onion pasta is a rich, comforting dish inspired by classic French onion soup, featuring caramelized onions, garlic, thyme, and pasta cooked together in a savory, creamy broth—all in one pot for easy cleanup.

Ingredients

  • 2 tbsp olive oil or butter
  • 2 large yellow onions, thinly sliced
  • 3 cloves garlic, minced
  • 1 tsp fresh thyme (or 1/2 tsp dried)
  • 1 bay leaf (optional)
  • 8 oz pasta (penne, fusilli, or farfalle)
  • 3 cups vegetable broth or beef-style vegan broth
  • 1 tbsp balsamic vinegar
  • 1/2 cup heavy cream or plant-based cream
  • 1/2 cup grated Gruyère or Swiss-style vegan cheese (optional)
  • Salt and pepper, to taste
  • Fresh parsley, chopped (optional, for garnish)

Instructions

  1. In a large pot or deep skillet, heat olive oil or butter over medium heat. Add sliced onions and cook for 20–25 minutes, stirring often, until deeply caramelized and golden brown.
  2. Add minced garlic and thyme. Cook for 1–2 minutes until fragrant.
  3. Deglaze the pot with balsamic vinegar, scraping up any browned bits from the bottom.
  4. Add uncooked pasta, vegetable broth, and bay leaf (if using). Stir and bring to a boil.
  5. Reduce heat to a simmer, cover, and cook for 10–12 minutes, stirring occasionally, until pasta is tender and most liquid is absorbed.
  6. Stir in cream and cheese (if using). Simmer for 2–3 more minutes until creamy and heated through.
  7. Season with salt and pepper to taste. Remove bay leaf before serving.
  8. Garnish with chopped parsley or additional cheese if desired. Serve warm.

Notes

  • For a vegan version, use plant-based butter, cream, and vegan cheese.
  • Add sautéed mushrooms or plant-based sausage for extra protein.
  • Deglaze with white wine instead of balsamic for a lighter flavor.
  • Use gluten-free pasta to make this dish gluten-free.
  • Reheat leftovers with a splash of broth or water to loosen the sauce.

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