Save to Pinterest A comforting, one-pan casserole inspired by classic French onion flavors, featuring tender pot roast, caramelized onions, and melted cheese for an easy, flavor-packed dinner.
I first served this French Onion Pot Roast Casserole to my family and it quickly became a favorite comfort food for chilly evenings.
Ingredients
- Meats: 2.5 lbs (1.1 kg) chuck roast, cut into 2 inch cubes
- Vegetables: 3 large yellow onions, thinly sliced 2 cloves garlic, minced 2 large carrots, peeled and sliced
- Liquids: 2 cups (475 ml) beef broth 1/2 cup (120 ml) dry white wine (optional sub more broth if preferred) 2 tbsp Worcestershire sauce
- Spices & Seasonings: 2 tsp kosher salt 1 tsp black pepper 1 tsp dried thyme 1 bay leaf
- Cheese & Toppings: 1.5 cups (150 g) shredded Gruyère cheese 1 cup (100 g) shredded mozzarella cheese 1 cup (60 g) French fried onions (store bought optional for topping)
- Pantry: 2 tbsp olive oil 1 tbsp unsalted butter 2 tbsp all purpose flour
Instructions
- Preheat oven:
- Preheat oven to 325°F (165°C)
- Caramelize onions:
- Heat olive oil and butter in a large Dutch oven or ovenproof casserole over medium heat Add onions and a pinch of salt cook stirring often until deeply caramelized (about 20 25 minutes)
- Cook garlic and flour:
- Stir in garlic and cook for 1 minute until fragrant Sprinkle flour over onions stir and cook for 2 minutes
- Deglaze:
- Deglaze with white wine (if using) scraping up browned bits Simmer 2 minutes
- Add liquids and seasonings:
- Add beef broth Worcestershire sauce thyme bay leaf carrots salt and pepper Bring to a simmer
- Add beef:
- Nestle beef cubes into the onion mixture Cover with lid or tightly with foil
- Bake:
- Transfer to oven and bake for 2 hours or until beef is fork tender
- Finish casserole:
- Remove from oven Discard bay leaf Stir casserole then top evenly with Gruyère and mozzarella
- Melt cheese:
- Increase oven temperature to 400°F (200°C) Return uncovered casserole to oven for 10 15 minutes until cheese is golden and bubbling
- Serve:
- Sprinkle with French fried onions and serve hot
Save to Pinterest This recipe brings my family together on cold nights making cozy memories around the dinner table.
Notes
For a shortcut use store bought French onion soup mix instead of caramelizing onions (substitute for onions garlic and some salt) Serve over mashed potatoes buttered noodles or toasted baguette slices Substitute Swiss cheese or provolone if you prefer To make gluten free use cornstarch instead of flour and GF fried onions
Required Tools
Large Dutch oven or ovenproof casserole dish Chefs knife Cutting board Measuring cups and spoons Wooden spoon
Allergen Information
Contains Dairy (cheese butter) Wheat Gluten (flour French fried onions) Soy (Worcestershire sauce may contain soy) Double check all labels for hidden allergens if needed
Save to Pinterest This dish is sure to impress with its rich layers of flavor and comforting textures.
Recipe FAQs
- → How do you achieve deeply caramelized onions?
Cook sliced onions over medium heat with a pinch of salt, stirring frequently for 20-25 minutes until golden brown and sweet.
- → Can I make this dish gluten-free?
Yes, substitute all-purpose flour with cornstarch and use gluten-free fried onions for topping.
- → What can be used instead of white wine?
You can replace white wine with extra beef broth for deglazing without altering the flavor significantly.
- → How long should the pot roast cook in the oven?
Bake covered for about 2 hours until the beef is fork-tender and infused with the onion and herb mixture.
- → What are good serving suggestions?
Serve over mashed potatoes, buttered noodles, or with toasted baguette slices to complement the rich flavors.