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Creamy Caramelized Onion Pasta Recipe

  • Author: Sally Thompson
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: 4 servings 1x

Description

If you’re looking for the ultimate comfort dish that feels gourmet without the hassle, this creamy caramelized onion pasta is it. Perfect for a quick dinner idea, an easy recipe to impress guests, or a cozy night in, it’s built on the naturally sweet, slow-cooked goodness of golden onions melted into a velvety cream sauce. The result is rich, savory, and deeply satisfying—making it one of those go-to food ideas for any night of the week. With its golden tones and indulgent aroma, this pasta invites you in for a comforting, delicious experience.


Ingredients

Scale
  • 3 large yellow onions, thinly sliced
  • 2 tablespoons butter
  • 1 tablespoon olive oil
  • 2 garlic cloves, minced
  • 1 cup heavy cream
  • 1/2 cup freshly grated parmesan cheese
  • 12 oz pasta of choice (spaghetti, linguine, or rigatoni)
  • Salt and black pepper to taste
  • Fresh parsley, chopped (optional, for garnish)

Instructions

  1. In a large wide skillet, heat butter and olive oil over medium-low heat.
  2. Add sliced onions with a pinch of salt. Cook for 30-40 minutes, stirring often, until deeply caramelized.
  3. Meanwhile, cook pasta in salted boiling water until al dente. Reserve 1 cup of pasta water, then drain.
  4. Once onions are caramelized, add garlic and sauté for 1-2 minutes until fragrant.
  5. Pour in the heavy cream and reduce heat to low. Simmer for 3-4 minutes.
  6. Stir in grated parmesan until melted and sauce thickens.
  7. Add cooked pasta to the skillet, tossing to coat. Add reserved pasta water as needed for desired consistency.
  8. Season with salt and freshly cracked black pepper. Top with parsley if using.
  9. Serve immediately with extra parmesan.