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Caramelized Onion Pasta

Get ready to fall in love with pasta all over again with this Caramelized Onion Butter Pasta! Sweet, golden onions are slowly caramelized to perfection, then tossed with browned butter and tender pasta for a rich, savory dish that’s impossible to resist. Each bite is silky, comforting, and full of deep flavor—perfect for weeknights or when you want something simple yet utterly delicious. Pair with your favorite wine and a sprinkle of fresh herbs for an easy, elegant meal that’ll have everyone coming back for seconds!

Caramelized Onion Pasta in pan ready to serve

  • prep time

    10min

  • cook time

    40min

  • total time

    50min

  • serving size

    4-6

  • recipe category pasta

  • recipe cuisine italian

  • recipe level simple

recipe by: DeLallo

Ingredients

  • 1 (1-pound) bag DeLallo Mafaldini
  • ¼ cup salted butter
  • 2 large yellow onions, thinly sliced into half-moon shapes
  • ¼ teaspoon kosher salt
  • ¼ teaspoon black pepper
  • ½ cup (1 stick) salted butter
  • 1 cup heavy cream
  • 1 cup DeLallo Parmigiano-Reggiano, grated
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • Parsley, chopped

Directions

  • Melt butter in a large skillet. Once melted, add onions and saute for 25 to 30 minutes. Stir occasionally until the onions are very tender and have a caramel color.
  • Season with salt and pepper and transfer to a plate and set aside.
  • In the same skillet, melt the butter. Constantly stir and scrape the pan as you go.
  • As soon as the butter turns chestnut brown and smells nutty, remove the pan from the heat and set aside to cool slightly.
  • Bring a large pot of water to a boil and cook the pasta according to package directions. Drain and reserve 1 cup of the pasta water.
  • Use either a food processor or immersion blender: combine the caramelized onions, browned butter and ½ cup water. Blend until well combined.
  • To the original skillet over medium heat, add the blended onion mixture, heavy cream and parmesan. Cook until the cheese is melted and the sauce is heated through.
  • Add the cooked pasta to the skillet and toss until the noodles are evenly coated with the creamy sauce. If the sauce is too thick, add a bit more of the reserved pasta water.
  • Top with parmesan and chopped parsley and serve.

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Keywords:

pasta recipe , caramelized onion pasta recipe , caramelized onion recipe, , pasta recipe

Caramelized Onion Pasta

Get ready to fall in love with pasta all over again with this Caramelized Onion Butter Pasta! Sweet, golden onions are slowly caramelized to perfection, then tossed with browned butter and tender pasta for a rich, savory dish that’s impossible to resist. Each bite is silky, comforting, and full of deep flavor—perfect for weeknights or when you want something simple yet utterly delicious. Pair with your favorite wine and a sprinkle of fresh herbs for an easy, elegant meal that’ll have everyone coming back for seconds!