French Onion Pot Roast

Featured in: Earthy Comfort Dinners

This dish features tender chuck roast slowly braised with deeply caramelized yellow onions, garlic, carrots, and celery in a rich beef broth. Aromatic thyme and bay leaf add depth while the final broiled topping of Gruyère and Parmesan cheeses over French bread creates a cheesy golden crust. The hearty flavors meld beautifully, perfect for warm, comforting dinners with family. Preparation involves searing, slow oven cooking, and finishing under the broiler for a delightful texture contrast.

Updated on Mon, 24 Nov 2025 16:52:00 GMT
Golden, bubbly French Onion Pot Roast Casserole with melted cheese, served hot from the oven. Save
Golden, bubbly French Onion Pot Roast Casserole with melted cheese, served hot from the oven. | olivebriar.com

A hearty comforting casserole that combines tender pot roast with sweet caramelized onions savory beef broth and a cheesy golden crust—perfect for cozy family dinners.

I first served this French Onion Pot Roast Casserole to my family on a chilly evening and it instantly became a favorite comfort meal.

Ingredients

  • Meat & Stock: 2.5 lbs (1.1 kg) chuck roast trimmed and cut into large chunks 4 cups (1 L) beef broth low sodium 2 tbsp olive oil
  • Vegetables: 4 large yellow onions thinly sliced 3 cloves garlic minced 2 medium carrots peeled and sliced 2 stalks celery sliced
  • Seasonings: 1 tsp salt 1/2 tsp black pepper 1 tsp dried thyme 1 bay leaf
  • Topping: 6 slices French bread or baguette 1 1/2 cups (150 g) Gruyère cheese shredded 1/2 cup (50 g) Parmesan cheese grated

Instructions

Step 1:
Preheat oven to 325°F (165°C).
Step 2:
Heat olive oil in a large Dutch oven over medium-high heat. Sear the beef chunks on all sides until browned. Remove and set aside.
Step 3:
Add sliced onions to the same pot. Cook over medium heat stirring frequently until deeply caramelized about 25-30 minutes. Add garlic and cook for 1 minute more.
Step 4:
Stir in carrots and celery then return beef to the pot. Sprinkle with salt pepper thyme and add bay leaf.
Step 5:
Pour in beef broth scraping up any browned bits from the bottom. Bring to a simmer.
Step 6:
Cover and transfer to the oven. Bake for 2 hours or until the beef is very tender.
Step 7:
Remove from oven. Discard bay leaf and adjust seasoning if needed.
Step 8:
Preheat broiler.
Step 9:
Arrange bread slices on top of the casserole overlapping slightly. Sprinkle with Gruyère and Parmesan cheese.
Step 10:
Broil uncovered for 3-5 minutes or until cheese is melted and golden brown.
Step 11:
Let rest for 5 minutes before serving.
A close-up shot of French Onion Pot Roast Casserole, showcasing the tender beef and caramelized onions. Pin it
A close-up shot of French Onion Pot Roast Casserole, showcasing the tender beef and caramelized onions. | olivebriar.com

This recipe always brings my family together sharing stories and laughter over a warm comforting meal.

Required Tools

Large Dutch oven or oven-safe casserole dish Sharp knife Cutting board Wooden spoon Cheese grater

Allergen Information

Contains dairy (cheese) gluten (bread) and may contain traces of soy depending on broth used. Always check ingredient labels for hidden allergens.

Nutritional Information

Per serving Calories 530 Total Fat 26 g Carbohydrates 32 g Protein 43 g

Hearty and delicious French Onion Pot Roast Casserole, perfect for a cozy, flavorful family meal. Pin it
Hearty and delicious French Onion Pot Roast Casserole, perfect for a cozy, flavorful family meal. | olivebriar.com

This French Onion Pot Roast Casserole is perfect for meal prepping and tastes even better the next day.

Frequently Asked Questions

What cut of beef works best for this dish?

Chuck roast is ideal due to its marbling and tenderness after slow cooking, providing rich flavor and texture.

How do I achieve deeply caramelized onions?

Cook sliced onions slowly over medium heat, stirring frequently for about 25-30 minutes until golden brown and sweet.

Can I substitute the cheeses?

Yes, Swiss cheese can replace Gruyère for a milder flavor without sacrificing meltability.

What is the purpose of broiling at the end?

Broiling melts and browns the cheese topping, creating a flavorful golden crust that adds texture contrast.

How should leftovers be stored?

Cool completely, then refrigerate in an airtight container for up to 3 days. Reheat gently to preserve moisture.

Can I add alcohol to enhance flavor?

A splash of dry sherry or brandy added with the broth enriches the savory depth and complexity of the dish.

French Onion Pot Roast

Tender beef braised with caramelized onions and topped with a golden cheesy crust for comforting meals.

Prep Time
25 Minutes
Cook Time
150 Minutes
Total Time
175 Minutes


Difficulty: Medium

Cuisine: American-French Fusion

Yield: 6 servings

Dietary: None specified

Ingredients

Meat & Stock

01 2.5 lbs chuck roast, trimmed and cut into large chunks
02 4 cups low sodium beef broth
03 2 tablespoons olive oil

Vegetables

01 4 large yellow onions, thinly sliced
02 3 cloves garlic, minced
03 2 medium carrots, peeled and sliced
04 2 stalks celery, sliced

Seasonings

01 1 teaspoon salt
02 ½ teaspoon black pepper
03 1 teaspoon dried thyme
04 1 bay leaf

Topping

01 6 slices French bread or baguette
02 1½ cups shredded Gruyère cheese
03 ½ cup grated Parmesan cheese

Instructions

Step 01

Preheat oven: Set the oven to 325°F.

Step 02

Sear beef: Heat olive oil in a large Dutch oven over medium-high heat. Brown the beef chunks on all sides, then remove and set aside.

Step 03

Caramelize onions: Add the sliced onions to the Dutch oven and cook over medium heat, stirring frequently, until deeply caramelized, about 25 to 30 minutes. Add garlic and cook for an additional minute.

Step 04

Combine vegetables and meat: Stir in the carrots and celery, then return the beef to the pot. Season with salt, pepper, thyme, and add the bay leaf.

Step 05

Add broth and simmer: Pour in the beef broth, scraping any browned bits from the bottom. Bring the mixture to a simmer.

Step 06

Bake: Cover the Dutch oven and transfer to the oven. Bake for 2 hours or until the beef is very tender.

Step 07

Finish casserole: Remove from oven, discard the bay leaf, and adjust seasoning as needed.

Step 08

Preheat broiler: Set the broiler to high.

Step 09

Add bread and cheese topping: Arrange bread slices on top of the casserole, overlapping slightly. Sprinkle with Gruyère and Parmesan cheeses.

Step 10

Broil until golden: Broil uncovered for 3 to 5 minutes, or until cheese melts and forms a golden crust.

Step 11

Rest before serving: Allow to rest for 5 minutes before serving.

Tools You'll Need

  • Large Dutch oven or oven-safe casserole dish
  • Sharp knife
  • Cutting board
  • Wooden spoon
  • Cheese grater

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (cheese) and gluten (bread); may contain traces of soy depending on broth used.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 530
  • Total Fat: 26 g
  • Total Carbohydrate: 32 g
  • Protein: 43 g