French Onion Pot Roast

Featured in: Simple Family Favorites

This dish blends rich pot roast cubes with deeply caramelized yellow onions, garlic, and carrots simmered in white wine and beef broth. After slow oven baking, a crisp layer of toasted bread cubes and melted Gruyère cheese forms a savory topping. Seasoned with fresh thyme and bay leaves, it offers layers of hearty flavors perfect for sharing. Ready in under three hours, it’s an inviting meal for family gatherings or a comforting weeknight dinner.

Updated on Fri, 21 Nov 2025 08:41:00 GMT
French Onion Pot Roast Casserole bubbling with melted Gruyère, a comforting family dinner ready to serve. Pin It
French Onion Pot Roast Casserole bubbling with melted Gruyère, a comforting family dinner ready to serve. | platefullyjoy.com

A cozy, hearty casserole marrying the flavors of classic French onion soup with tender pot roast, topped with melty cheese and crisp bread. The ultimate comfort food hack for family dinners.

This dish quickly became my go-to for satisfying family meals, impressing everyone with its depth of flavor and ease of preparation.

Ingredients

  • Meats: 2.5 lbs (1.1 kg) chuck roast, trimmed and cut into large cubes
  • Vegetables: 3 large yellow onions, thinly sliced, 3 cloves garlic, minced, 2 carrots, peeled and sliced
  • Liquids: 1 cup (240 ml) dry white wine, 2 cups (480 ml) beef broth, 2 tbsp Worcestershire sauce
  • Dairy: 2 cups (200 g) shredded Gruyère cheese, 2 tbsp unsalted butter
  • Breads: 4 cups (120 g) baguette slices or rustic bread cubes
  • Herbs & Seasonings: 1 tbsp fresh thyme leaves (or 1 tsp dried thyme), 2 bay leaves, 1 tsp kosher salt, plus more to taste, ½ tsp freshly ground black pepper
  • Oil: 2 tbsp olive oil

Instructions

Step 1:
Preheat oven to 325°F (165°C).
Step 2:
Heat olive oil in a large Dutch oven over medium-high heat. Brown the beef cubes in batches, about 2–3 minutes per side. Transfer to a plate.
Step 3:
In the same pot, add butter and onions. Cook over medium heat, stirring often, until deeply caramelized and golden brown, about 25 minutes.
Step 4:
Add garlic and carrots, sauté 2 minutes.
Step 5:
Pour in white wine, scraping up browned bits from the bottom. Simmer 3 minutes.
Step 6:
Stir in beef broth, Worcestershire sauce, thyme, bay leaves, salt, and pepper. Return beef to the pot.
Step 7:
Cover and transfer to the oven. Bake for 2 hours, until beef is fork-tender.
Step 8:
Meanwhile, toast the bread cubes on a baking sheet at 325°F (165°C) for 10–12 minutes, until golden and crisp. Set aside.
Step 9:
Remove pot from oven. Discard bay leaves. Transfer beef and onions to a large casserole dish (3–4 qt).
Step 10:
Top evenly with toasted bread cubes, then sprinkle Gruyère cheese over the top.
Step 11:
Return casserole (uncovered) to the oven. Bake at 375°F (190°C) for 15–20 minutes, until cheese is melted and bubbly.
Step 12:
Let rest 5 minutes before serving. Garnish with more thyme if desired.
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This casserole always brings my family together around the table, sparking warm conversations and satisfied smiles.

Required Tools

Large Dutch oven or heavy pot, chefs knife, cutting board, baking sheet, 3–4 quart casserole dish

Allergen Information

Contains Dairy (cheese, butter), Gluten (bread). May contain Sulfites (wine, Worcestershire sauce). Always check product labels for allergens.

Nutritional Information

Per serving: Calories 625, Total Fat 32 g, Carbohydrates 29 g, Protein 54 g

A close-up of golden, crispy bread topping the rich French Onion Pot Roast Casserole, a delightful aroma. Pin It
A close-up of golden, crispy bread topping the rich French Onion Pot Roast Casserole, a delightful aroma. | platefullyjoy.com

This recipe can easily be doubled for larger gatherings and reheats beautifully for next-day meals.

Recipe FAQs

What cut of meat works best?

Chuck roast is ideal due to its marbled fat that becomes tender and flavorful after slow cooking.

How do I caramelize the onions properly?

Cook onions slowly over medium heat with butter, stirring frequently until golden brown and deeply caramelized, about 25 minutes.

Can I substitute Gruyère cheese?

Yes, Swiss cheese is a good alternative that melts well and complements the flavors.

What type of bread should I use for topping?

Rustic bread or baguette cut into cubes and toasted until crispy enhances texture and adds a delightful crunch.

Is it possible to prepare this ahead of time?

Yes, you can cook the pot roast and onions a day ahead, then assemble and bake the topping when ready to serve.

What sides pair well with this dish?

A fresh green salad and a glass of dry red wine, like Pinot Noir, balance the richness and add brightness.

French Onion Pot Roast

Tender pot roast baked with caramelized onions, Gruyère, and toasted bread for a savory family dish.

Time to Prep
25 minutes
Time to Cook
150 minutes
Overall Time
175 minutes
Recipe by Olivia Reed


Skill Level Medium

Cuisine American-French Fusion

Makes 6 Number of Servings

Diet Info None specified

What You'll Need

Meats

01 2.5 pounds chuck roast, trimmed and cut into large cubes

Vegetables

01 3 large yellow onions, thinly sliced
02 3 cloves garlic, minced
03 2 carrots, peeled and sliced

Liquids

01 1 cup dry white wine
02 2 cups beef broth
03 2 tablespoons Worcestershire sauce

Dairy

01 2 cups shredded Gruyère cheese
02 2 tablespoons unsalted butter

Breads

01 4 cups baguette slices or rustic bread cubes

Herbs & Seasonings

01 1 tablespoon fresh thyme leaves or 1 teaspoon dried thyme
02 2 bay leaves
03 1 teaspoon kosher salt, plus more to taste
04 ½ teaspoon freshly ground black pepper

Oil

01 2 tablespoons olive oil

Step-by-Step Guide

Step 01

Preheat oven: Set the oven to 325°F to prepare for braising and toasting steps.

Step 02

Brown beef cubes: Heat olive oil in a large Dutch oven over medium-high heat; brown beef cubes in batches, about 2 to 3 minutes per side, then transfer to a plate.

Step 03

Caramelize onions: Using the same pot, add butter and sliced onions; cook over medium heat, stirring frequently, until deeply caramelized and golden brown, approximately 25 minutes.

Step 04

Sauté garlic and carrots: Add minced garlic and sliced carrots to the pot; sauté for 2 minutes until fragrant.

Step 05

Deglaze with wine: Pour in dry white wine while scraping up browned bits from the bottom; simmer for 3 minutes to reduce slightly.

Step 06

Add liquids and seasonings: Stir in beef broth, Worcestershire sauce, fresh thyme, bay leaves, kosher salt, and black pepper; return browned beef to the pot.

Step 07

Braise beef: Cover the Dutch oven and transfer to the preheated oven; bake for 2 hours until beef is fork-tender.

Step 08

Toast bread cubes: While beef braises, spread bread cubes on a baking sheet; toast in the oven at 325°F for 10 to 12 minutes until golden and crisp; set aside.

Step 09

Assemble casserole: Remove the pot from the oven; discard bay leaves, transfer beef and onions to a 3 to 4 quart casserole dish; evenly layer toasted bread cubes on top followed by a sprinkle of shredded Gruyère cheese.

Step 10

Melt cheese topping: Bake the assembled dish uncovered at 375°F for 15 to 20 minutes until the cheese is melted and bubbling.

Step 11

Rest and serve: Allow to rest for 5 minutes before serving; garnish with additional fresh thyme if desired.

Tools You'll Need

  • Large Dutch oven or heavy pot
  • Chef's knife
  • Cutting board
  • Baking sheet
  • 3 to 4 quart casserole dish

Allergy Notice

Be sure to review ingredients for allergens. When unsure, talk with a healthcare provider.
  • Contains dairy and gluten
  • May contain sulfites from wine and Worcestershire sauce

Nutrition (For Each Serving)

Nutritional details are meant for general guidance. Don't rely on them for medical reasons.
  • Calorie Count: 625
  • Fats: 32 g
  • Carbohydrates: 29 g
  • Proteins: 54 g