
Y'all, today, we're makin' one of my favorite sandwiches EVER: a Roast Beef Po boy! Now, if you've never had a po boy, you're missin' out! It's a Louisiana classic, we are going to be making one for dinner. Tender roast beef, yummy gravy, and all the fixin's on a crusty French bread.

This easy Roast Beef Po'boy recipe will take you straight to New Orleans, no plane ticket required!
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What makes this recipe so yummy
It's amazing that such a savory, comforting and flavorful meal can come from such basic ingredients. The fact you don't need too much to whip this up is one of the best things about a po'boy.
There is so much flavor that comes from the meat itself, with simple seasoning and dressings - you'd never believe it's so easy to do in your own kitchen.
Groceries you'll need: Ingredients
Below is an image of all the ingredients you'll need to make this classic New Orleans recipe:

See recipe card at the bottom of this post for quantities.
Recipe walkthrough: Instructions
This is an overview of the recipe steps. For more detailed instructions visit the recipe card at the bottom of this post.

- Step 1: Preheat oven. Season beef with salt and pepper the sear on all sides in a hot Dutch oven.
- Step 2: Remove meat, then add sliced onions to clean up bottom. Cook until soft, then add garlic and cook another few minutes.
- Step 3: Add the flour and cook again a few minutes.
- Step 4: Slowly pour in the beef broth, while stirring.

- Step 5: Stir in the seasonings.
- Step 6: Add the roast back to the pot. Cover and cook in the oven for 3 hours.
- Step 7: Remove from the oven and shred with forks, stirring into the gravy.
- Step 8: Remove to another pan if you're serving up to a table of people.

- Step 9: Butter inside of poboy buns.
- Step 10: Add to a grill pan and cook until toasty.
- Step 11: Remove then add some mayo.
- Step 12: Then add roast beef debris and any dressings you may like, serve with some French fries or chips.
Hint: If you're adding sliced cheese, before you add the salad stuff, lay the cheese on top of the meat then place under a broiler for a minute or two to help melt the cheese.
Recipe variations and substitute ideas
Following is a list of variations and alternate ideas for substitutes that you could play with in this recipe:
- Fried Oysters - instead of a roast beef po boy, you could have a nice fried oyster po boy.
- Fried Crawfish - another popular po boy, is a fried crawfish po boy.
- Cajun Seasoning - for more zip.
- Celery - you could add some with the onions for cooking.

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Necessary gear: equipment
The following are affiliate links. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
A large Dutch oven is necessary to roast this beef on low for a long time. I use a grill pan for the bread, but you could just toast it under a broiler if you prefer.
I have some affiliate links in the recipe card below.
More New Orleans recipes I think you'll love
How to store leftovers
Store the roast beef in an airtight container in the refrigerator for up to 4 days. Store the toppings separate in the refrigerator.
It will actually freeze well, so store the meat in a freezer safe container for up to 3 months.
Mel's kitchen notes
Allowing the roast to cook slowly in the oven oven a period of time is key to a tender roast beef. Spoon the gravy over in 1 hour periods and add more beef broth, as needed.

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Hearty Roast Beef Po Boy
Video
Equipment
Ingredients
- 4 Pounds Beef Chuck Roast
- 1 teaspoon Salt
- 1 teaspoon Black Pepper
- 2 teaspoons Vegetable Oil
- 1 Each Yellow Onion Peeled and sliced
- 4 Cloves Garlic minced
- 2 Tablespoons All Purpose Flour
- 2-½ Cups Beef Broth
- ½ teaspoon Dried Thyme
- 2 teaspoons Worcestershire Sauce
- ¼ Cup Unsalted Butter
- 6 Each Po'Boy Bread
- 6 Slices Provolone Cheese
- ½ Cup Mayonnaise
- 2 Each Fresh Tomatoes sliced (optional)
- 3 Each Dill Pickles sliced (optional)
- 1 Cup Shredded Lettuce (optional)
Instructions
- Preheat oven to 325°F.
- Season the chuck roast liberally with salt and pepper. Add to a Dutch oven heated over a medium-high heat with the vegetable oil. Sear for 3 minutes on each side. Remove the roast to the side.4 Pounds Beef Chuck Roast, 1 teaspoon Salt, 1 teaspoon Black Pepper, 2 teaspoons Vegetable Oil
- Add the sliced onions to the pot and continue to cook until soft, scraping up all the cooked bits on the bottom.1 Each Yellow Onion
- Add the garlic and cook another 2 minutes.4 Cloves Garlic
- Add the flour and cook another 2 minutes.2 Tablespoons All Purpose Flour
- Slowly pour in the beef broth, stirring all the time.2-½ Cups Beef Broth
- Stir in the dried thyme and Worcestershire sauce.½ teaspoon Dried Thyme, 2 teaspoons Worcestershire Sauce
- Add the beef roast back to the pot, spoon over some of the gravy and cover with the lid.
- Place in the preheated oven and cook for 3 hours, check ever hour if more beef broth is needed and spoon gravy over meat.
- Remove from the oven and shred with forks, Stir the meat up in the gravy.
- Butter the bread on the inside and place face down on a heated grill pan to grill the inside of the bread.¼ Cup Unsalted Butter, 6 Each Po'Boy Bread
- Spread mayonnaise over the inside of the bread, then add some of the roast beef. Top with cheese and favorite toppings and enjoy.6 Slices Provolone Cheese, ½ Cup Mayonnaise, 2 Each Fresh Tomatoes, 3 Each Dill Pickles, 1 Cup Shredded Lettuce
Nutrition
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