One-Pot French Onion Chicken (Printable)

Tender chicken, caramelized onions, and creamy cheese combined in a cozy one-pot pasta dish.

# Components:

→ Proteins

01 - 2 large boneless, skinless chicken breasts (approximately 1.1 lbs), cut into bite-sized pieces

→ Vegetables

02 - 3 large yellow onions, thinly sliced
03 - 3 cloves garlic, minced
04 - 2 tablespoons fresh thyme leaves or 1 teaspoon dried thyme

→ Pasta

05 - 12 oz short pasta such as penne, fusilli, or rigatoni

→ Broth & Liquids

06 - 3 tablespoons unsalted butter
07 - 2 tablespoons olive oil
08 - 4 cups low-sodium beef or chicken broth
09 - 1/2 cup dry white wine, optional, or additional broth as substitute
10 - Salt and freshly ground black pepper to taste

→ Cheese

11 - 1 cup Gruyère cheese, shredded
12 - 1/2 cup mozzarella cheese, shredded
13 - 2 tablespoons grated Parmesan cheese

# Method:

01 - Heat olive oil and 1 tablespoon butter in a large Dutch oven or deep skillet over medium heat. Add chicken pieces, season with salt and pepper, and cook until golden and cooked through, approximately 6 to 8 minutes. Remove chicken and set aside.
02 - In the same pot, add remaining butter. Add sliced onions and a generous pinch of salt. Cook slowly over medium-low heat, stirring often, until onions are deeply caramelized and golden brown, approximately 20 to 25 minutes.
03 - Add minced garlic and thyme, then sauté for 1 minute until fragrant.
04 - Pour in the wine if using and scrape up any browned bits from the bottom of the pot. Allow to reduce by half, approximately 2 to 3 minutes.
05 - Return cooked chicken to the pot. Add uncooked pasta and broth. Bring to a boil, then reduce heat to a simmer.
06 - Cover and cook, stirring occasionally, until pasta is al dente and most liquid has been absorbed, approximately 10 to 12 minutes.
07 - Stir in Gruyère and mozzarella cheese until melted and creamy. Season with additional salt and pepper if needed.
08 - Sprinkle with Parmesan cheese and, if desired, broil under the oven for 2 to 3 minutes until golden and bubbly.
09 - Serve hot, garnished with extra fresh thyme.

# Expert Advice:

01 -
  • Everything cooks in one pot, so cleanup feels almost as rewarding as the meal itself.
  • The caramelized onions transform into pure gold, making your kitchen smell like a Parisian bistro.
  • Chicken stays tender and absorbs all those rich, savory flavors while the pasta finishes cooking.
  • Melted Gruyère and mozzarella create a creamy sauce without any cream at all.
02 -
  • Don't skip the caramelization step or rush it by turning up the heat; slow cooking develops sweetness and depth that makes this dish unforgettable.
  • Stir the pasta occasionally as it cooks so it doesn't stick to the bottom, and use low-sodium broth so you maintain control over the final seasoning.
  • If your sauce seems too thin before serving, remove the lid for the last few minutes of cooking to let more liquid evaporate.
03 -
  • Start checking the pasta a minute or two before you think it's done; al dente is the sweet spot where it's tender but still has character, not mushy.
  • If your sauce is thinner than you'd like when the pasta finishes cooking, you can increase the heat slightly for a minute or two to evaporate more liquid, but watch carefully.
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