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French Onion Mushroom Pot Roast


  • Author: joe-peackok
  • Total Time: 510 minutes
  • Yield: 6 servings 1x
  • Diet: None

Description

A comforting pot roast featuring sweet caramelized onions, tender beef, and earthy mushrooms, perfect for beginner cooks.


Ingredients

Scale
  • 34 pounds beef chuck roast
  • 2 cups sliced mushrooms (button or cremini)
  • 2 large onions, thinly sliced
  • 4 cloves garlic, minced
  • 1 cup beef broth
  • 1 packet French onion soup mix
  • Salt and pepper to taste
  • 2 tablespoons olive oil
  • Fresh thyme for garnish
  • 2 carrots, cut into large chunks (optional)
  • 2 stalks celery, cut in large pieces (optional)
  • 12 tablespoons Worcestershire sauce (optional)
  • 12 bay leaves (optional)
  • 12 tablespoons cornstarch (mixed with water) (optional)
  • A splash of low-sodium soy sauce (optional)

Instructions

  1. Let the roast sit at room temperature for 20–30 minutes. Trim excess fat if desired.
  2. Season the roast with salt and pepper. Heat olive oil in a skillet over medium-high heat and sear the roast on all sides for 3–4 minutes until browned.
  3. Remove the roast and in the same skillet, cook the sliced onions with a pinch of salt over medium heat for 10–15 minutes until caramelized.
  4. Add sliced mushrooms to the skillet, cook for 3–5 minutes, then stir in minced garlic for an additional 30–60 seconds.
  5. Transfer the roast to the slow cooker, top with the onion-mushroom mixture, and pour the beef broth around it. Sprinkle with French onion soup mix and add any additional vegetables or seasonings.
  6. Cover and cook on low for 6–8 hours or on high for 4–5 hours until tender.
  7. After cooking, let the roast rest for 10–15 minutes. Skim off excess fat from the liquid and adjust seasoning if necessary.
  8. Slice or shred the roast and serve with sauce and garnish.

Notes

Pair with creamy mashed potatoes, roasted vegetables, or buttered noodles for a comforting meal.

  • Prep Time: 30 minutes
  • Cook Time: 480 minutes
  • Category: Main Course
  • Method: Slow Cooking
  • Cuisine: French

Nutrition

  • Serving Size: 1 serving
  • Calories: 480
  • Sugar: 6g
  • Sodium: 600mg
  • Fat: 20g
  • Saturated Fat: 6g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 32g
  • Fiber: 4g
  • Protein: 40g
  • Cholesterol: 100mg

Keywords: pot roast, slow cooker, comfort food, French onion, mushrooms