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Craving something cozy, cheesy, and satisfying? This French Onion and Chicken Stuffed Bread will become your new favorite appetizer. It has all the classic flavors of French onion soup — caramelized onions, Gruyère cheese, and rich broth — all baked into one warm, golden, pull-apart loaf. The rotisserie chicken adds extra protein without any extra work, and the whole thing feels comforting, but super fun.
❤️ Why You’ll Love My French Onion and Chicken Stuffed Bread
This French Onion and Chicken Stuffed Bread is everything cozy and comforting about French onion soup, but with a lot less effort. The onions cook down until they’re sweet, jammy, and golden, the broth and sherry add that deep flavor, and the Gruyère melts into the kind of delicious cheesiness you expect from anything French onion-inspired. The rotisserie chicken brings in extra protein, the sourdough is the perfect vessel, and every slice is packed with gooey, melty, herby flavor.
🍲 Ingredients
🧈 Unsalted Butter helps caramelize the onions into that deep, sweet richness French onion dishes are famous for.
🧅 Sweet Yellow Onions are cooked until they turn jammy, golden, and sweet.
🧂 Kosher Salt draws moisture from the onions, builds flavor, and keeps every layer seasoned just right.
🌿 Fresh Thyme adds earthy depth.
🍃 Bay Leaves infuse the onion mixture with subtle herbal notes.
🍷 Sherry (the alcohol, not the vinegar) helps dissolve all those browned bits on the pan, leaving behind deep, layered flavor as it cooks off.
🍗 Chicken Stock simmers with the onions and herbs.
🍗 Rotisserie Chicken keeps things easy, simple, and quick. It adds tender, already-seasoned protein that mixes great with the onions.
🧀 Gruyère Cheese gives the stuffed bread that iconic French onion finish.
🌿 Parsley or Chives bring the freshness you need to balance.
🥖 Sourdough Bread is sturdy enough to hold the filling while crisping up perfectly in the oven.
👩🍳 How to Make My French Onion and Chicken Stuffed Bread
To make this French Onion and Chicken Stuffed Bread, start by caramelizing the onions. Melt 2 tablespoons of butter in a large skillet over medium-high heat. Once it begins to foam, add the sliced onions and ½ teaspoon of salt. Reduce the heat to medium and let them cook.
When the onions are caramelized, add the thyme, the remaining ½ teaspoon of salt, and the sherry. Cook for about 3 minutes, just long enough for the alcohol smell to disappear. Pour in the chicken stock and add the bay leaves. Bring everything to a boil, then lower to a simmer and let the mixture reduce until most of the liquid has cooked off.
While the onions finish, prepare the filling. In a large bowl, combine the shredded rotisserie chicken, 1 cup of grated Gruyère, and half of the parsley. When the onions are ready, remove the bay leaves and add the onions (plus any liquid left in the pan) right into the bowl. Mix until everything is well combined.
Next, prepare the loaf. Slice the top off the sourdough and gently remove most of the soft interior (“the guts”), being careful not to break through the bottom.
Spoon the chicken and onion mixture into the hollowed-out loaf. Top it with the remaining grated Gruyère, spreading it evenly. Bake the stuffed bread at 375°F for about 15 minutes, or until the cheese is melted and the top begins to bubble.
While it bakes, blend whatever remains in the onion pan into a smooth French onion jus. Once the stuffed bread comes out of the oven, garnish with the remaining parsley, slice, and serve warm with the jus for dipping.
🪄 Tips and Tricks
- Don’t fully hollow the bread. Leave a layer so the filling doesn’t leak.
- Grate your own Gruyère. Pre-shredded cheese doesn’t melt as good.
🗒 Variations
- Craving a little heat? Add red pepper flakes to the chicken mixture.
- Going vegetarian? Swap the chicken for sautéed mushrooms — they pair great with the caramelized onions and Gruyère.
🗒 Substitutions
- No sherry? Use white wine or more stock.
- No Gruyère? Swiss could work instead.
- Gluten-free? Use a sturdy gluten-free loaf.
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👝 How to Store Leftovers
This French Onion and Chicken Stuffed Bread leftovers can be stored in an airtight container in the fridge for up to 3 days. The bread will firm up as it chills, but just warm it in the oven or air fryer until the cheese melts again and the edges crisp back up. Avoid microwaving if you can, since it can make the bread a little soft.
🤔 Common Questions
What kind of onions work best?
Sweet yellow onions are preferred, but white onions also work in a pinch.
Can I make this ahead of time?
Yes! Assemble the filled bread without baking and refrigerate for up to 24 hours.
Do I have to use sherry?
Nope. You can swap it for white wine or even a splash of apple cider vinegar mixed with extra stock. The sherry just adds more depth.
Can I make this without chicken?
Definitely. Leave it out or replace it with sautéed mushrooms.
Can I make the onion mixture ahead of time?
Yes! The caramelized onion and chicken mixture can be made up to 3 days in advance. Store it in the fridge and assemble the loaf when you’re ready.
French Onion and Chicken Stuffed Bread
Ingredients
- 4 tablespoons unsalted butter
- 1 teaspoon kosher salt
- 5 sweet yellow onions, thinly sliced
- 3 teaspoons fresh thyme, minced
- 3 bay leaves
- ½ cup sherry, the alcohol not the vinegar
- 3 cup chicken stock
- 2 cups rotisserie chicken
- 2 cups Gruyere cheese, grated
- ⅓ cup parsley or chives, chopped
- 1 sourdough bread, 12-inch long loaf of
Instructions
- Preheat oven to 375°F.
- Add 2 tablespoons butter to a large skillet and melt over medium-high.
- Once butter starts to foam, add onions and ½ teaspoon salt. Reduce the heat to medium and cook low and slow until the onions are silky and caramelized.
- Add thyme, ½ tsp salt, and the sherry. Cook for about 3 minutes or until the smell of alcohol is gone.
- Add stock and bay leaves. Bring to a boil, lower to a simmer, and let simmer until most of the liquid is gone.
- To a large bowl, add chicken, one cup of grated Gruyère cheese, and ½ the parsley.
- Pull the onions and (any of the liquid that comes with them) from the pan and add them to the bowl with the chicken. Mix well and set aside.
- Cut the top of the loaf off the bread and remove 80% of the “guts”. Make sure you don’t break through the bottom.
- Fill the bread with the chicken and French onion mix.
- Top with the remaining grated Gruyère cheese. Bake for 15 minutes on the middle rack or until the cheese starts to bubble.
- While the stuffed bread bakes, add whatever remains from the French onion pan to a blender and blend well
- Garnish stuffed bread with remaining parsley and serve warm with blended the French onion jus!
