French Onion Pot Roast with Tender Onions and Savory Gravy
By Liam Carter
Cook
420 min
Total
420 min
Servings
6
Level
Easy
Long, gentle slow cooking softens the chuck roast until it becomes fork-tender while the sliced onions turn soft in the savory sauce. This French onion pot roast pairs pull-apart beef with a tomato, beef broth, Worcestershire, garlic, and thyme cooking liquid.
The cooking liquid combines tomato sauce, beef broth, minced garlic, thyme, Worcestershire sauce, and white wine vinegar before it reaches the slow cooker. Half the thinly sliced onion forms the base, then the seasoned roast is covered with remaining onion and sauce. That layering keeps the beef surrounded by liquid and places onions above and below it as they soften during the long cook.
After four hours on high or seven hours on low, the reliable cue is a roast that yields readily to a fork instead of resisting or slicing firmly. Keep the gravy heat low and stir frequently after flour or cornstarch is added. Stronger heat or neglected stirring can make the thickener settle into lumps rather than lightly thickening the broth into a smooth pourable gravy.
Serve the beef and gravy over mashed potatoes, with parsley if wanted, or pair it with steamed vegetables, a baked potato, fresh salad, or French bread. Cool leftovers completely before placing them in an airtight container. Keeping some reserved sauce with the meat helps it stay moist when warmed gently.
Why you'll love this recipe
- Low, extended cooking turns the chuck roast fork-tender because the covered slow cooker gives the beef time to soften without active tending.
- Layering onions beneath and above the roast distributes them through the cooking liquid, leaving tender onions ready to spoon alongside the beef.
- Whisking the sauce before assembling the cooker spreads tomato, broth, vinegar, Worcestershire, garlic, and thyme evenly around every part of the roast.
- A choice of high or low cooking times lets the same method fit different schedules while still targeting the source’s fork-tender finish.
- The broth becomes a simple gravy because flour or cornstarch is heated into it slowly, giving mashed potatoes something savory to catch.
- Trimming excess fat before cooking and skimming greasy broth when needed keeps the finished gravy clearer and less slick on the plate.
Ingredients
- •2 lb chuck roast
- •2 cups red or yellow onion (thinly sliced)
- •3 cloves garlic (minced)
- •1 tbsp white wine vinegar
- •1 tbsp Worcestershire sauce
- •0.25 cup tomato sauce
- •1 cup beef broth
- •1 tsp salt
- •1 tsp black pepper
- •0.5 tsp fresh thyme (chopped, or use 1/4 teaspoon dried thyme)
- •2 tsp fresh parsley (chopped, optional)
- •1 tbsp all-purpose flour or cornstarch (1-2 tablespoons, for gravy)
Instructions
- 1
In a small bowl, whisk together the tomato sauce, beef broth, minced garlic, thyme, Worcestershire sauce, and white wine vinegar.
- 2
Trim any excess fat from the chuck roast.
- 3
Season all sides of the roast with salt and black pepper.
- 4
Add half of the sliced onions to the bottom of the slow cooker.
- 5
Pour half of the sauce over the onions.
- 6
Place the chuck roast on top of the onions.
- 7
Sprinkle the remaining onions evenly over the roast.
- 8
Pour the remaining sauce over the roast and onions.
- 9
Cover and cook on high for 4 hours or on low for 7 hours, until the roast is fork-tender.
- 10
If the sauce is greasy, separate it from the roast, chill it in a tall clear container until the fat rises and lightly hardens, then scoop or ladle off the grease.
- 11
To make gravy, use 1 tablespoon of cornstarch or all-purpose flour per 1 cup of sauce from the slow cooker. Heat over low heat, stirring frequently, until lightly thickened.
- 12
Serve the pot roast with gravy over mashed potatoes and sprinkle with fresh parsley, if using.
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