One-Pot French Onion Chicken (Printable Version)

Savory mix of caramelized onions, tender chicken, and melty cheeses in a satisfying one-pot pasta dish.

# What You Need:

→ Proteins

01 - 2 large boneless, skinless chicken breasts (about 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 ounces 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 substitute with additional broth
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

# Steps:

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. Transfer cooked chicken to a plate 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 frequently, until onions are deeply caramelized and golden brown, approximately 20 to 25 minutes.
03 - Add minced garlic and thyme to the caramelized onions. Sauté for 1 minute until the mixture becomes fragrant.
04 - Pour in the wine if using and scrape up any browned bits from the bottom of the pot. Allow the liquid to reduce by half, approximately 2 to 3 minutes.
05 - Return the cooked chicken to the pot. Add uncooked pasta and broth. Bring the mixture to a boil, then reduce heat to a simmer.
06 - Cover the pot and cook, stirring occasionally, until the pasta reaches al dente texture and most of the liquid has been absorbed, approximately 10 to 12 minutes.
07 - Stir in Gruyère and mozzarella cheese until completely melted and creamy. Adjust seasoning with additional salt and pepper as needed.
08 - Sprinkle Parmesan cheese over the top. If desired, place under the broiler for 2 to 3 minutes until golden and bubbly. Serve hot, garnished with additional fresh thyme.

# Expert Pointers:

01 -
  • It's that rare comfort food that feels fancy enough for company but honest enough for a regular weeknight.
  • The one-pot method means less cleanup and more time enjoying what you've made instead of scrubbing dishes.
  • Caramelized onions do something almost magical when they melt into creamy cheese and pasta—it's pure coziness on a plate.
02 -
  • The caramelization step cannot be rushed—those 20-plus minutes of slow cooking are what separate this from just onion pasta, so don't turn up the heat to speed things up or they'll burn instead of caramelize.
  • Add the pasta uncooked straight to the broth so it absorbs all the flavor as it cooks; pre-cooking it means losing that richness and ending up with a looser, less cohesive dish.
03 -
  • Shred your cheese from a block rather than using pre-shredded; it melts more smoothly because it hasn't been coated with anti-caking agents.
  • Taste the broth before adding it—if it's already salty, use less or dilute it with water, because reduction will concentrate those flavors and you can always add more seasoning but you can't take it back.
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