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One pot French onion pasta
Isla Marie

One Pot French Onion Pasta

One Pot French Onion Pasta is a rich, cozy pasta dish inspired by classic French onion soup. Made with deeply caramelized onions, savory broth, cream, and melted cheese, this pasta is comforting, romantic, and perfect for a relaxed date night or Valentine’s dinner at home—with minimal cleanup.
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Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Servings: 4 people
Course: Dinner, Main Dish
Cuisine: American
Calories: 560
Ingredients Equipment Method Video Notes

Ingredients
  

  • 3 large yellow onions thinly sliced
  • 2 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • Salt to taste
  • Black pepper to taste
  • 3 cloves garlic minced
  • 12 oz pasta fettuccine, linguine, or rigatoni
  • 4 cups beef broth or vegetable broth
  • ½ cup heavy cream
  • ½ cup shredded Gruyère or mozzarella cheese
  • ¼ cup grated parmesan cheese
  • Optional: fresh thyme for garnish

Equipment

  • Large pot or Dutch oven
  • Cutting board
  • Sharp knife
  • Measuring cups and spoons
  • Wooden spoon or spatula

Method
 

  1. Heat butter and olive oil in a large pot over medium heat.
  2. Add sliced onions and a pinch of salt. Cook slowly for 25–30 minutes, stirring occasionally, until deeply caramelized and golden brown.
  3. Add minced garlic and cook for 30 seconds until fragrant.
  4. Add dry pasta and pour in broth. Stir to combine.
  5. Bring to a gentle boil, then reduce heat to medium-low. Simmer for 10–12 minutes, stirring occasionally, until pasta is al dente and liquid has reduced.
  6. Stir in heavy cream, Gruyère (or mozzarella), and parmesan cheese.
  7. Mix until cheese melts and sauce becomes creamy.
  8. Season with black pepper and additional salt if needed.
  9. Garnish with fresh thyme if desired and serve hot.

Video

Notes

  • Do not rush onion caramelization
  • Stir pasta occasionally to prevent sticking
  • Add extra broth if sauce thickens too much
  • Best served immediately