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My Pot Roast Sandwich Recipe puts those pot roast leftovers to scrumptious use! Piled high with tender, slow-cooked pot roast, caramelized onions, and melty American cheese that’s toasted to perfection, this is a delicious beef grilled cheese you will crave whenever you have leftovers.

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Pot Roast Sandwiches
My flavorful and easy pot roast sandwiches are everything you love about pot roast packed into a delicious, melty grilled cheese sandwich. You will savor each bite of its ooey-gooey, tender inside, with a lovely crunch thanks to the golden brown crust on the outside!
This is one finger-licking, amazing, shredded beef pot roast sandwich. It’s easy to customize to your taste using your favorite bread, cheese, and toppings you love – not to mention you can use freshly cooked beef or leftovers from a pot roast. I especially love using leftover Dutch Oven Pot Roast meat.
Because it is so simple to prepare, you can easily serve plenty of guests with this leftover pot roast sandwich recipe! Try it and I know you will love it as much as my family does.

Pot Roast Sandwich FAQs
Pair pot roast with a hard, crusty bread that will hold up well to dipping in juices or sauce. For pot roast sandwiches, this is the perfect bread to pair with the pot roast, cheese, and an au jus sauce.
Some of the best cuts of beef for delicious fork-tender pot roast include chuck roast, sirloin tip roast, or a tri-tip roast. Try making this pot roast sandwich using leftover Mississippi Pot Roast – it is totally amazing!
Pot Roast Sandwiches Ingredients
- Leftover pot roast
- Sliced bread
- Sliced cheese
- Caramelized onions
- Butter
- Grated parmesan cheese

How to Make a Pot Roast Sandwich
- Begin by buttering one slide of each piece of bread. Evenly sprinkle parmesan cheese on top.
- Flip one piece over. Layer 2 slices of cheese on the bread. Next, layer your leftover pot roast on top of the cheese slices.
- Top with another slice of cheese, then layer with caramelized onions.
- Top with your other slice of bread, butter side up.
- Place in the air fryer at 350°F for 5 minutes on one side.
- After 5 minutes, flip and cook an additional 4 minutes, or until golden brown. Serve and enjoy!
You can also use a pain to cook these pot roast sandwiches: heat a skillet over medium-low heat and cook for 5 minutes on one side. Flip and cook for an additional 5-6 minutes, or until golden brown.
Beef Grilled Cheese Tips
- Find the perfect bread: I love serving my pot roast sandwiches on hard, crusty bread.
- Try out a different cheese: Mix up the flavors and try out a different cheese like pepper jack cheese, provolone, or mozzarella cheese.
- Add more vegetables: Like mushrooms, or add some peppers onto your sandwich!
- Don’t forget about the au jus: Add a few spoonfuls of leftover au jus on top of your sandwich to add extra moisture to the sandwich.

What to Serve with Pot Roast Sandwiches
- German Potato Salad
- Honey Sriracha Brussels Sprouts
- Tomato Cucumber Feta Salad
- Green Bean Almondine
- Scalloped Potatoes
Easy Sandwich Recipes
- Hot Roast Beef Sandwich
- Philly Cheesesteak Sliders
- Turkey Sliders
- Cheeseburger Sliders
- Egg Salad Sandwich Recipe
Did you try this recipe? Leave a comment and a rating below to let us know what you think! We love to hear from you!
📋 Recipe

Best Pot Roast Sandwich
Equipment
- 1 Air fryer or skillet
Ingredients
- 1 cup leftover pot roast I used Mississippi pot roast
- 2 slices bread
- 3 slices cheese I used American cheese
- ⅓ cup caramelized onions
- butter for spreading on bread
- 1 Tablespoon grated parmesan cheese
See our Cooking Conversions Chart for help converting measurements!
Instructions
- Begin by buttering one slide of each piece of bread. Evenly sprinkle parmesan cheese on top.2 slices bread, butter, 1 Tablespoon grated parmesan cheese
- Flip one piece over. Layer 2 slices of cheese on the bread. Next, layer your leftover pot roast on top of the cheese slices.1 cup leftover pot roast, 3 slices cheese
- Top with another slice of cheese, then layer with caramelized onions.3 slices cheese, ⅓ cup caramelized onions
- Top with your other slice of bread, butter side up.2 slices bread
- Place in the air fryer at 350°F for 5 minutes on one side.
- After 5 minutes, flip and cook an additional 4 minutes, or until golden brown. Serve and enjoy!
Video
Notes
- Find the perfect bread: I love serving my pot roast sandwiches on hard, crusty bread.
- Try out a different cheese: Mix up the flavors and try out a different cheese like pepper jack cheese, or mozzarella cheese.
- Add more vegetables: Like mushrooms, or add some peppers onto your sandwich!
- Don’t forget about the au jus: Add a few spoonfuls of leftover au jus on top of your sandwich to add extra moisture to the sandwich.
- You can also use a pain to cook these pot roast sandwiches: heat a skillet over medium-low heat and cook for 5 minutes on one side. Flip and cook for an additional 5-6 minutes, or until golden brown.
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