This Leftover Prime Rib Grilled Cheese On Blackstone Griddle is an amazing way to use up leftover prime rib! Now I always buy the biggest roast possible cause lets face it leftovers are life! The perfect comfort food but also an easy lunch after holiday cooking!

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If you aren’t familiar with Blackstone Griddles now is the time you need to consider one! My obsession started with the 17 inches version but now I have the Blackstone 36 inch griddle that has taken up permanent residence on my back porch. We take the 17-inch camping and I take it out on job sites as well to make lunches for the crew.
Blackstone 17 Inch GriddleBlackstone 22 Inch Griddle
Blackstone 28 Inch Griddle
Blackstone 36 Inch Griddle
Now if you are a Blackstone owner or new to Blackstone there are several accessory options!! For making Spam Fried rice the bigger spatulas are very helpful and the scraper as well for this. I use my squeeze bottles to keep extra water and oil easily accessible to put on the griddle.
Blackstone Culinary Plastic Squeeze BottleBlackstone 1542 Flat top Griddle Professional Grade Accessory Tool Kit
4 Piece Griddle Accessories Kit
Prime Rib Grilled Cheese Ingredients:
How To Make Prime Rib Grilled Cheese:
Prepare your Blackstone Griddle with a fresh bit of oil, if you are not sure How To Maintain Your Blackstone Griddle please check out this post -> here. Mine is always ready to go after it’s been used making for little to no prep work.
Butter one side of your slice of Texas Toast, you will need two slices per sandwich, you can also mix in a bit of horseradish to give it a bit of a kick.
Slice up or tear up your prime rib, I used rarer pieces as I knew it would cook some in the process. (I used some leftover smoked prime rib from my Easy Prime Rib Recipe ->HERE)
If your prime was in the fridge then microwave it for about 30 seconds or warm it up in a pan to make sure it will be warm after cooking your sandwich.
Spread your meat onto the bread.
Top with sliced or shredded cheese, I used Havarti cheese slices, and it turned out amazing!

Place your second piece of bread and be ready to grill up the grilled cheese.
Fire up your Blackstone griddle on low-medium heat, or a pan on the stovetop.

Once your griddle is warm, carefully place the assembled sandwich onto the griddle, or in the pan.
Allow continuing to cook until the bottom slice is starting to brown and flip the whole sandwich.

After I flipped mine, I covered it with my Jim Bim Melting Dome to allow the cheese to melt. (If you don’t have a melting dome Amazon has a great collection ->here)
Remove and serve!

How To Store Leftover Blackstone Grilled Cheese
While grilled cheese is best to be enjoyed fresh, you can store the leftovers in the fridge for up to three days. You can reheat it in the microwave or a skillet pan.
If making it for lunch later on, you can store it in a container that will keep it for a couple of hours before eating.
Blackstone Grilled Cheese Sandwich Recipes
- Blackstone Pizza Grilled Cheese
- Blackstone Philly Cheesesteak Grilled Cheese
- Smoked Brisket Grilled Cheese
- Sloppy Joe Grilled Cheese On A Blackstone
- Prime Rib Grilled Cheese
- Vegan Cheese and Feta Grilled Cheese
Bread to use for Grilled Cheese sandwiches
Now I like to use a thicker sturdy style of bread as there will be flipping with a spatula. We tried with regular sandwich bread on the grill, but it also didn’t hold up. As long as you have two slices of bread per sandwich it will work out.
- Frozen Texas Toast- This is one of the easiest bread as they are pre-buttered and flavored for grilled cheese.
- Texas Toast Loaf- This is my favorite type of bread for grilled cheese; the bread holds up well and turns out golden brown on my grilled cheese sandwiches all the time.
- Sourdough Bread
- French Bread
- Ciabatta
- Rye Bread
- Whole Wheat
- Artisan bread
What to Serve with Blackstone Grilled Cheese
There are so many great options for side dishes to have with Blackstone grilled cheese. For myself it depends on the weather, but either way lunch will taste amazing.
- Tomato Soup
- Salad
- Roasted Vegetables
- French Fries
- Sweet Potato Fries
- Coleslaw
- Chips- Either potato chips or tortilla chips are perfect with this, a staple lunch item in my book is always the chips.
Leftover Smoked Prime Rib Recipes
Smoked meat is the best next-day food, either as is or in a recipe. I love to use leftover prime rib to make food for the rest of the week following a holiday. My latest favorite has been Blackstone Prime Rib Breakfast hash! Check out my Best Leftover Prime Rib Recipes.
Amazing Blackstone Recipes
From Fajitas to Fried Rice and Breakfast, there isn’t much you can’t cook on a Blackstone. I love to use mine to make family dinners and use my leftover smoked foods in new recipes!
- Blackstone Recipes
- Breakfast Blackstone Recipe
- How to Make Blackstone Fajitas
- Blackstone Grilled Cheese
- How To Make Blackstone Fried Rice
Check out my must-have Blackstone Griddle accessories -> HERE!
Leftover Prime Rib Grilled Cheese On Blackstone Griddle
Ingredients
- 2 Slices Texas Toast
- Butter
- Horseradish
- Cheddar Cheese
- Smoked Prime Rib
Instructions
- Prepare your Blackstone Griddle with a fresh bit of oil, if you are not sure How To Maintain Your Blackstone Griddle please check out this post -> here. Mine is always ready to go after it’s been used making for little to no prep work.
- Butter one side of your slice of Texas Toast, you will need two slices per sandwich, you can also mix in a bit of horseradish to give it a bit of a kick.
- Slice up or tear up your prime rib, I used rarer pieces as I knew it would cook some in the process.
- If your prime was in the fridge then microwave it for about 30 seconds or warm it up in a pan to make sure it will be warm after cooking your sandwich.
- Spread your meat onto the bread.
- Top with sliced or shredded cheese I used Havarti cheese slices, and it turned out amazing!
- Place your second piece of bread and be ready to grill up the grilled cheese.
- Fire up your Blackstone griddle onto a low-medium heat, or a pan on the stovetop.
- Once your griddle is warm carefully place the assembled sandwich onto the griddle, or in the pan.
- Allow continuing to cook until the bottom slice is starting to brown and flip the whole sandwich.
- After I flipped mine I covered it with my Jim Bim Melting Dome to allow the cheese to melt. (If you don’t have a melting dome Amazon has a great collection ->here)
- Remove and serve!

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