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Old-Fashioned Cajun Classic Roast | Cajun 911 Cuisine

beef cajun & creole classics dinner meat
Old-fashioned Cajun chuck roast with onion gravy in a cast iron pot.

This is the old-school Cajun way of cooking a roast. A mustard-coated chuck roast seasoned simply, piled high with onions, and slow-braised in the oven until fork-tender. The onions melt down into a deep, savory gravy made for French bread dipping and Sunday dinner plates with greens and glazed carrots. No shortcuts. No fuss. Just real Louisiana comfort food.

 
Prep Time: 30 minutes
Cook Time: 25 minutes 
Rising Time: hours
Total Time: 3 hours 55 minutes 
Course: Dessert
Cuisine: Cajun
Servings: 20 servings
 
 

INGREDIENTS 

 

FOR THE ROAST

1 (3–4 lb) chuck roast

3–4 Tbsp yellow mustard

1–1 1/2 Tbsp Cajun seasoning

1/2 tsp garlic powder

1/2 tsp black pepper

Optional dash Worcestershire sauce

 

FOR THE POT

3–4 large onions, thick sliced

3 garlic cloves, smashed

2–3 Tbsp vegetable oil or butter, for searing

1 cup beef broth

Optional 1 bay leaf 

 

FOR SERVING

Steen’s glazed carrots

Braised greens such as mustard, turnip, or collards

French bread for dipping

 

  

INSTRUCTIONS

1. Prepare the Roast

Pat the chuck roast dry. Coat all sides with yellow mustard. Season evenly with Cajun seasoning, garlic powder, and black pepper. Add a dash of Worcestershire if using.

2. Sear the Roast

Heat a cast iron pot or heavy Dutch oven over medium-high heat. Add oil or butter. Sear the roast on all sides until deeply browned.

3. Add Onions the Old Cajun Way

Do not sauté the onions. Pile all sliced onions directly on top of the roast. Add smashed garlic around the roast. Pour beef broth around the sides, not over the top. Add bay leaf if using.

4. Oven-Braise

Cover tightly. Bake at 300°F for 3–4 hours. The onions will brown naturally in the oven and create a rich gravy. Roast is done when it pulls apart easily.

5. Serve

Serve hot with glazed carrots, braised greens, and French bread. Spoon the onion gravy generously over the meat.

 
 
SERVING IDEAS 
  • Classic Louisiana Sunday dinner plate

  • Serve family-style straight from the pot

  • Perfect for cold-weather meals

 

NOTES
  • Onions go on top and brown naturally in the oven

  • Mustard tenderizes the roast and helps seasoning cling

  • More onions create a deeper, richer gravy

 

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