This Pot Roast Cheddar Grilled Cheese is delicious and comforting! Leftover pot roast (and gravy!), topped with sautéed onions, white cheddar and sandwiched between crisp and buttery bread. Taking your leftover pot roast to a whole new level.
Is it weird that I purposefully made pot roast so I could make this sandwich?
It’s true. I live for pot roast leftovers. Pot roast is delicious all on its own, but just imagine; saucy shredded beef, sandwiched between TWO layers of white cheddar, topped with sautéed onions sandwiched between whole grain bread and griddled in butter until crisp and golden brown.
I about died after the first bite. The beef. The cheese. The ONIONS! It’s crazy good and total comfort food in grilled cheese form. Which technically grilled cheese already is comfort food so this means this sandwich is double the comfort.
And I believe this is just what you weekend needs.
To Make These Leftover Pot Roast Cheddar Grilled Cheese Sandwiches You Will Need:
- butter – Needed for the onions and to get that golden crust on the sandwiches.
- yellow onion – Adds delicious caramelized onion flavor to the sandwich.
- kosher salt – For softening the onions while cooking and enhancing their flavor.
- whole grain bread – Or any sturdy bread will do.
- white cheddar cheese slices – Is my cheese of choice, but regular cheddar is also fine.
- leftover pot roast and gravy – Heat until rewarmed.
Like all good things, start by heating a skillet over medium to medium-low and adding a tablespoon of butter and 1 medium onion that has been thinly sliced. Season with a pinch of kosher salt.
Give them a toss in the butter and slowly cook them until they are soft and slightly golden.
Melt 1 tablespoon of butter per 4 slices of bread on a griddle preheated to 200-250°. Spread the butter out to be the same size as the bread
Lay down the 4 slices of bread on each melted section and gently press. I like toasting both sides of the bread for this grilled cheese.
For this sandwich, I also like to use whole grain bread; however any sturdy bread should do – just not your typical white sandwich bread.
Once the bread is golden, use a spatula to lift it up and quickly melt a little more butter (if needed) before flipping.
Top the golden brown side with 1 slice white cheddar, (warmed) leftover pot roast and a few spoonfuls of the pot roast gravy.
Then top the sautéed onions.
Next, add the a second slice of cheddar.
Once the other two slices of bread are golden on one side, place the crispy side down on top of the cheddar so that the soft side is facing up.
Then carefully flip the sandwich and griddle, adding more butter as needed, until both sides are deeply golden brown and crisp.
This pot roast cheddar grilled cheese is delicious.
So cheesy.
Totally amazing.
Extremely comforting.
And did I mention cheesy? And the onions take this over the top!
I also highly suggest serving this grilled cheese masterpiece with extra pot roast gravy.
You know, for dunking.
Enjoy! And if you give this Leftover Pot Roast Cheddar Grilled Cheese Sandwich recipe a try, let me know! Snap a photo and tag me on twitter or instagram!
Leftover Pot Roast Grilled Cheese Sandwiches
Ingredients
- 4 tablespoons butter, divided
- 1 medium yellow onion, halved and thinly sliced
- 2 pinches kosher salt
- 4 slices sturdy whole grain bread
- 4 slices white cheddar
- 1½ cups about leftover [pot roast -heated until warm]
- 1/2 cup pot roast gravy, heated until warm
Instructions
- In a 10-inch skillet add the 1 tablespoon of butter. Heat over medium-low heat until melted. Add in the sliced onion and small pinch of salt and stir to coat in the butter. Let the onions cook, stirring occasionally until they are soft and lightly golden - or go longer for darker onions, if desired. Remove off of the heat and set to the side.
- Preheat your griddle to 200-250°. Melt 1 tablespoon of butter per 4 slices of bread on the warm griddle, spreading it out to be the same size as the bread.
- Lay down the 4 slices of bread on each melted butter section. I like toasting both sides of the bread for this grilled cheese. However you can make this the traditional way as well.
- Once 2 slicea are golden on one side, use a spatula to lift it up and quickly melt a little more butter before flipping. So both sides of the bread are golden.
- On these same two slices (the other two slices will go on last), top with 1 slice white cheddar, (warmed) leftover pot roast, a few spoonfuls of the pot roast gravy, divide the onions and top with the last slice of white cheddar.
- When the last two slices are golden brown on one side, place the crispy side down on top of the cheddar so that the soft side is facing up. Carefully flip the sandwich and griddle, adding more butter as needed, until both sides are deeply golden brown and crisp.
- Cut in half and serve.
Notes
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Heck yes, Laurie! This is awesome!
Yum this looks perfect!
Thanks Elle!
It is so totally NOT weird to make pot roast just so you could eat this sandwich – that’s absolutely the sort of thing I would do, too! We have an awesome restaurant near us that specializes in mind-blowingly delicious and creative grilled cheese sammies – the kind that incorporate lasagna or pierogies or cornbread fritters with other amazing ingredients to create edible masterpieces. Yeah – they totally need this sandwich on their menu! Awesome! 😀
PHEWW! I’m so glad we’re on the same page. And that restaurant is SO my kind of place!
Clearly pot roast on the menu is now a done deal. Maybe I can add a few sauteed mushrooms and pretend this killer sandwich has veggies, too.
WHAT! This looks absolutely amazing. I think you’ve combined two of the best meals in the world! So cool. Thanks for sharing!
Oh. My. Gosh. I mean…. just…. *faints from happiness*
I agree – complete amazeballs! This is what needs to happen with all left over pot roast.
Laurie, this sandwich looks so cheesy. Love it!
This is really depressing me about the lunch I just had. I wish I had this instead!! 😉
What a perfect way to use up leftover pot roast!
yums the word!
I might make a pot roast just for this sandwich! Fabulous!!
Ah! I just threw away left over pot roast because it had been in the fridge for too long. I will never make that mistake again! This looks so good!
Would you believe I just had a similar sandwich at an Asheville,NC restaurant for lunch on Friday? Oh my, it was so good. Besides the meaty part it had four types of cheese. Great minds are all around. Thanks for sharing your delicious recipes!
Yeh, baby! Made pulled pork barbque for company & football last night – and this sandwich was all I could think of. Can’t wait for dinner tonight! Thanks for the fantabulous idea.
GIRL! Why did I not see this sooner?!? I JUST made pot roast last night and used it tonight in a quick pot roast stir-fry. It was delicious but man, pot roast grilled cheese?!? THAT would have been perfect. Looks like I’m making pot roast again next week.
I hope your stir-fry recipe will be on your blog! I’ll make pot roast just for that any day!
My tummy is demanding one of these immediately. I must fulfill its request.
Tomorrow is grocery day. Went to Google to find something to do with my leftover pot roast and onions. Made this and it was amazing! Thanks.
I made these tonight for dinner. I added mushrooms with the sauteed onions and spread minced garlic on the bread. We are huge fans of garlic! They were sooooo delicious. My whole family LOVED them! Thanks for the recipe. We enjoyed our meal!
I am going to do this for dinner, with a twist. I am going to make this in/on flour tortillas. I am out of bread.
Thank you for this idea!! I am ready to consume excessive amounts of comfort 🙂
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It was great as with all recipes that I try from your site, thanks
I’m so glad to hear it, Wayne! Thank you!
I googled Pot Roast Sandwich and found this amazing recipe,…after having a pot roast sandwich at a restaurant 2 days ago…it was amazing ! If you like grilled ham and cheese … you will love this sandwich !!
great idea for a very elevated grilled cheese sandwich, love it and thnak you
Love this recipe
https://abc.com