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Plated French Onion Pot Roast served over creamy mashed potatoes, topped with caramelized onions and rich onion gravy.

French Onion Pot Roast


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  • Author: Aneta
  • Total Time: 4 hours 5 minutes
  • Yield: 6 servings 1x

Description

This French Onion Pot Roast is the ultimate comfort food — tender chuck roast braised in rich caramelized onions and savory beef broth until it’s melt-in-your-mouth delicious. Slow-cooked perfection for cozy dinners, holidays, or family weekends!


Ingredients

Scale

For the Beef Roast:

  • 3 lb boneless chuck roast

  • 1/2 tsp fine sea salt

  • 1/2 tsp freshly ground black pepper

  • 1 tbsp extra virgin olive oil

For the Caramelized Onions:

  • 3 lbs yellow onions (about 8 medium to large), thinly sliced

  • 2 cloves garlic, minced

  • 1 tbsp maple syrup or brown sugar

  • 1 tbsp all-purpose flour (or gluten-free alternative)

  • 2 tbsp extra virgin olive oil

  • 1/2 tsp fine sea salt

  • 1/2 tsp freshly ground black pepper

For the Braising Liquid and Aromatics:

  • 2 1/2 cups beef stock

  • 1 sprig rosemary

  • 1 bay leaf


Instructions

  1. Sear the Beef:
    Preheat a Dutch oven over medium heat with 1 tbsp olive oil. Season roast with salt and pepper. Sear on all sides until browned (about 10–12 minutes). Remove and set aside.

  2. Cook the Onions:
    In the same pot, add 2 tbsp olive oil. Stir in sliced onions, salt, and pepper. Cook on medium heat for 5 minutes, then reduce to medium-low and cook another 20 minutes until golden and softened.

  3. Caramelize and Build Sauce:
    Add minced garlic and maple syrup (or brown sugar). Cook 7–8 minutes. Stir in flour until onions are coated, then slowly pour in beef stock while scraping the bottom of the pot to release flavor.

  4. Braise the Roast:
    Return roast to the pot, nestling it into the onion mixture. Add rosemary and bay leaf. Bring to a simmer, then cover and transfer to a 300°F oven. Cook 3 hours, turn roast, and cook another 30–45 minutes until fork-tender.

  5. Serve and Enjoy:
    Remove from oven and let rest. Shred the roast and serve with onion gravy over mashed potatoes, egg noodles, or polenta.

Notes

Make-Ahead Tip: This dish tastes even better the next day! Store in the fridge overnight and reheat for deeper, richer flavor.
Slow Cooker Option: After searing the beef and caramelizing the onions, transfer everything to a slow cooker and cook on low for 8–9 hours.
Gluten-Free: Substitute gluten-free flour to keep it friendly for all diets.

  • Prep Time: 20 minutes
  • Cook Time: 3 hours 45 minutes
  • Category: Main Dish
  • Method: Braised, Oven
  • Cuisine: French-American

Nutrition

  • Serving Size: 1 portion (about 8 oz beef with sauce)
  • Calories: 480 kcal
  • Sugar: 7 g
  • Sodium: 710 mg
  • Fat: 28 g
  • Saturated Fat: 9 g
  • Unsaturated Fat: 17 g
  • Trans Fat: 0 g
  • Carbohydrates: 14 g
  • Fiber: 2 g
  • Protein: 41 g
  • Cholesterol: 120 mg