Cheesy Shaved Beef Stuffed Baked Potatoes with Caramelized Onions

Prep: 15 minCook: 1 hr 15 minmediumAmerican
Cheesy Shaved Beef Stuffed Baked Potatoes with Caramelized Onions

Fluffy baked potatoes loaded with tender caramelized onions, seasoned shaved roast beef, and melted sharp cheddar cheese. The sweet, golden onions complement the savory beef perfectly, while the cheese creates a bubbly, irresistible topping. Finished with cool sour cream and fresh chives, these hearty stuffed potatoes make an excellent dinner or satisfying lunch. Perfect for using leftover roast beef or transforming simple ingredients into comfort food that feels special.

Ingredients

  • 4 large baking potatoes, scrubbed
  • 1 tablespoon extra virgin olive oil
  • ½ teaspoon sugar
  • 1 very large yellow onion (or 2 big medium sized), rough chopped
  • 6 tablespoon butter, unsalted
    olive oil1:2 ratiodairy-freedairy-free

    Use more oil for caramelizing onions

    Full guide →
  • 1 cup shaved, cooked roast beef, firmly packed
    turkey or ham1:1

    Works well with other deli meats

  • 1 teaspoon worcestershire
  • 1 cups sharp cheddar, coarsely shredded
    gruyere or swiss1:1dairy-free

    Different flavor profile but melts beautifully

    Full guide →
  • 1 teaspoon ground black pepper
  • 1 teaspoon coarse salt
  • 2 teaspoon chives, minced
  • 4 tablespoon sour cream
    greek yogurt1:1

    Tangier flavor, healthier option

    Full guide →

Instructions

  1. 1

    Bake the potatoes in the oven until tender

  2. 2

    Heat oil and butter in a medium pot over medium-low heat

  3. 3

    Add onions and stir to combine with the melted butter

  4. 4

    After 4 minutes, sprinkle with sugar and stir

  5. 5

    Cook onions for 30-40 minutes until very soft and caramelized

  6. 6

    Remove potatoes from oven and let cool for 5 minutes on baking sheet

  7. 7

    Position oven rack for broiling and set broiler to high

  8. 8

    Cut lengthwise across each potato top, leaving 1/2 inch on both sides

  9. 9

    Pinch sides of potatoes and push toward center to open

  10. 10

    Squeeze to push fluffy insides up

  11. 11

    Remove a few tablespoons of potato flesh with a spoon

  12. 12

    Season potato cavities with salt and pepper

  13. 13

    Place butter inside each potato

  14. 14

    Add roast beef and Worcestershire to the pot with caramelized onions

  15. 15

    Gently stir to combine beef mixture

  16. 16

    Divide beef and onion mixture among potatoes, mounding slightly

  17. 17

    Top each potato with heaping mounds of cheese

  18. 18

    Broil for 1-2 minutes until cheese melts

  19. 19

    Remove from oven and plate

  20. 20

    Garnish with sour cream and chives

Tips

Tip 1

Save the scooped potato flesh and mix with butter and sour cream for a quick snack while cooking.

Tip 2

Caramelized onions can be made ahead and refrigerated for up to 3 days.

Tip 3

Use deli roast beef if you don't have leftover cooked roast beef - just slice it very thin.

Good to Know

Storage

Refrigerate leftovers for up to 3 days. Reheat in oven at 350F until warmed through.

Make Ahead

Potatoes can be baked and stuffed up to filling stage, then refrigerated overnight. Add cheese and broil when ready to serve.

Serve With

Serve immediately while cheese is hot and melted. Provide extra sour cream and chives on the side.

Common Mistakes

Watch

Don't rush the onion caramelization - low heat and patience create the best flavor.

Watch

Watch carefully during broiling to avoid burning the cheese.

Substitutions

Dairy-Free Swaps

sharp cheddar
gruyere or swiss1:1dairy-free

Different flavor profile but melts beautifully

Full guide →
butter
olive oil1:2 ratiodairy-freedairy-free

Use more oil for caramelizing onions

Full guide →

General Alternatives

roast beef
turkey or ham1:1

Works well with other deli meats

sour cream
greek yogurt1:1

Tangier flavor, healthier option

Full guide →
Find more substitutions →

FAQ

Can I make these ahead of time?

Yes, prepare through the stuffing stage and refrigerate overnight. Add cheese and broil when ready to serve for best results.

What if I don't have roast beef?

Substitute with thinly sliced deli roast beef, turkey, or ham. You can also use leftover pot roast or any cooked beef.

How long do leftovers keep?

Refrigerate for up to 3 days. Reheat in the oven at 350F until heated through, about 15-20 minutes.