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Easy Caramelized Onion & Brie Pasta Recipe


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3.9 from 8 reviews

  • Author: Eve
  • Total Time: 55 minutes
  • Yield: Serves 6 as a main course or 8 as a side dish
  • Diet: Vegetarian

Description

This Easy Caramelized Onion & Brie Pasta is a restaurant-quality dinner perfect for ringing in 2026. Made with minimal ingredients, it combines sweet, slow-cooked caramelized onions with creamy brie and sharp Parmigiano-Reggiano, finished on the stove in a braiser. The savory sauce comes together effortlessly without cream, using pasta water as ‘liquid gold’ to meld flavors. Best with bronze cut pasta to hold the rich sauce, this dish offers a cozy French-inspired comfort meal that tastes like it took all day to prepare yet is surprisingly simple.


Ingredients

For the Pasta and Sauce

  • 1 pound bronze cut pasta (such as rigatoni or penne)
  • 4 large onions, thinly sliced
  • 3 tablespoons olive oil or unsalted butter
  • 8 ounces brie cheese, rind removed and cut into chunks
  • 1 cup freshly grated Parmigiano-Reggiano cheese, plus extra for serving
  • Salt, to taste
  • Freshly ground black pepper, to taste
  • Reserved pasta cooking water (about 1 to 2 cups)


Instructions

  1. Prepare the Onions: Slice the onions thinly and set aside. This ensures even caramelization and a delicate texture in your final sauce.
  2. Caramelize the Onions: Heat olive oil or butter in a large braiser or wide skillet over medium-low heat. Add the sliced onions and cook slowly, stirring occasionally, for about 40-45 minutes until deeply golden brown and sweet, ensuring not to burn them. Patience here is key to develop that rich flavor.
  3. Cook the Pasta: While the onions caramelize, bring a large pot of salted water to a boil. Add your pasta and cook until just al dente according to package instructions. Reserve about 1 to 2 cups of the starchy pasta water before draining.
  4. Combine Pasta and Sauce: Add the cooked pasta directly to the caramelized onions in the braiser. Toss to combine over low heat.
  5. Melt the Brie: Add chunks of brie cheese to the pasta and onions, stirring gently so that the cheese melts and coats the pasta evenly.
  6. Add Cheese and Adjust Consistency: Sprinkle in the freshly grated Parmigiano-Reggiano and gradually add reserved pasta water as needed to create a smooth, silky sauce that clings to the pasta. Season with salt and freshly ground black pepper to taste.
  7. Finish and Serve: Serve the pasta hot, topped with extra grated Parmigiano-Reggiano and additional caramelized onions if desired for more depth of flavor and texture.

Notes

  • Choosing bronze cut pasta helps the sauce cling better for maximum flavor in every bite.
  • Slow caramelization of onions is crucial – do not rush this step as the flavor depends on it.
  • If you want a dairy-free option, substitute brie and parmesan with vegan cheese alternatives.
  • Reserve enough pasta water as it is key to loosening and emulsifying the sauce.
  • This dish can be customized with fresh herbs like thyme or sage for an aromatic touch.
  • Prep Time: 10 minutes
  • Cook Time: 45 minutes
  • Category: Main Course
  • Method: Stovetop
  • Cuisine: French-inspired