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A creamy, rich bowl of One-Pot French Onion Pasta garnished with fresh thyme, ready to be enjoyed.

One-Pot French Onion Pasta with Cheesy Broiled Top

Transform classic French Onion Soup into an easy One-Pot French Onion Pasta! This recipe features deeply caramelized onions and a unique, bubbly broiled Gruyère cheese topping for ultimate comfort, with minimal cleanup.
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Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings: 4 servings
Course: Dinner, Main Course
Cuisine: French
Calories: 600
Ingredients Equipment Method Nutrition Notes

Ingredients
  

  • 1/4 cup olive oil
  • 3 yellow onions thinly sliced
  • 4 garlic cloves minced
  • 8 oz cremini mushrooms sliced
  • 1 tbsp fresh thyme
  • 1/2 cup dry white wine
  • 2 tbsp all purpose flour
  • 2 cups beef broth (or vegetable broth)
  • 2 cups water
  • 12 oz dried orecchiette or other short cut pasta
  • 1 tbsp sherry vinegar
  • Salt and freshly ground black pepper to taste
  • Shredded Gruyère and/or provolone cheese for topping
  • Fresh herbs and toasted breadcrumbs for serving (optional)

Equipment

  • Large skillet or Dutch oven
  • Oven-safe dish
  • Mandoline slicer (optional)

Method
 

Deeply Caramelize the Onions
  1. Heat the olive oil in a large skillet or Dutch oven over medium heat. Once the oil is shimmering, add your thinly sliced yellow onions and a generous pinch of salt. Cook, stirring every 3-4 minutes, until deeply caramelized and a rich golden-brown (about 25-30 minutes). If they start to look too dry, add a small splash of water.
Build the Flavor Base & Thicken
  1. Once the caramelized onions are perfect, add the minced garlic, sliced cremini mushrooms, and fresh thyme to the skillet. Sauté for 3-4 minutes, until the garlic is fragrant and the mushrooms begin to soften. Pour in the dry white wine to deglaze the pan, scraping up any browned bits. Stir in the all-purpose flour and cook for another 2-3 minutes, stirring constantly, until fully incorporated and slightly thickened.
Cook the Pasta to Al Dente Perfection
  1. Pour in the beef broth (or vegetable broth) and water. Season generously with salt and freshly ground black pepper to taste. Bring the liquid to a boil, then add the orecchiette or your chosen short-cut pasta. Cook for 8-10 minutes, stirring occasionally, until the pasta is perfectly al dente. Taste often as it cooks and adjust time for different pasta shapes.
The Signature Cheesy Broiled Finish
  1. Turn off the heat and stir in the sherry vinegar. Transfer the pasta to an oven-safe dish. Top generously with shredded Gruyère cheese and/or provolone cheese. Preheat your broiler to high. Place the dish on the upper rack and broil for 3-5 minutes until the cheese is bubbly and deeply golden brown. Watch carefully to prevent burning! Serve warm, straight from the oven.

Nutrition

Calories: 600kcalCarbohydrates: 75gProtein: 22gFat: 30gSaturated Fat: 17gCholesterol: 60mgSodium: 1100mgPotassium: 600mgFiber: 6gSugar: 10gCalcium: 250mgIron: 3mg

Notes

This dish makes excellent leftovers! Store in an airtight container in the refrigerator for up to 3-4 days. Reheat on the stovetop or in the microwave, adding a splash of broth or water as needed to rehydrate the sauce. Avoid freezing this dish, as pasta texture can degrade significantly.
Nutrition information is estimated based on common ingredients and serving sizes and may vary.

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