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One Pot French Onion Pasta Recipe

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This One Pot French Onion Pasta recipe is a flavorful twist on the classic French onion soup, featuring caramelized onions, a rich and creamy sauce, and perfectly cooked pasta. With simple ingredients and minimal cleanup, it’s an easy and delicious dinner for any night of the week.

Ingredients

Scale
  • 2 tbsp butter
  • 2 tbsp olive oil
  • 3 large yellow onions, thinly sliced
  • 3 garlic cloves, minced
  • 2 tbsp balsamic vinegar
  • 1 tsp sugar
  • 4 cups beef broth (or vegetable broth)
  • 1 cup water
  • 12 oz fettuccine or linguine
  • 1/2 cup heavy cream
  • 1 cup shredded Gruyere cheese (or Swiss cheese)
  • Salt and pepper to taste
  • Fresh parsley for garnish

Instructions

  • Heat butter and olive oil in a large pot over medium heat. Add sliced onions and cook for 25-30 minutes, stirring frequently, until golden and caramelized.
  • Stir in garlic, balsamic vinegar, and sugar. Cook for 1-2 minutes until fragrant.
  • Pour in beef broth and water. Bring to a boil.
  • Add pasta and cook according to package instructions, stirring occasionally, until pasta is al dente.
  • Reduce heat to low, then stir in heavy cream and shredded Gruyere cheese until melted and creamy.
  • Season with salt and pepper to taste.
  • Garnish with fresh parsley before serving.

Notes

  • For a vegetarian option, use vegetable broth instead of beef broth.
  • Add a pinch of red pepper flakes for a slight kick.
  • Adjust the liquid as needed to ensure the pasta cooks evenly.

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