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Leftover Prime Rib Hash is the perfect way to turn your holiday dinner leftovers into a whole new meal that’s bursting with savory flavors. This tasty dish combines tender, thin slices of prime rib, crispy potatoes, and sweet caramelized onions, all topped with perfectly cooked eggs. Whether you’re using leftover prime rib roast from Christmas dinner or just have a little too much food from a holiday meal, this recipe is a great way to use those prime rib slices and create something that feels special but is incredibly simple to make.
Why You’ll Love this Recipe
This dish is a family favorite and will quickly become your go-to recipe for transforming leftover roast beef into a warm, hearty breakfast or brunch. It’s quick and easy to prepare with simple pantry staples and comes together in no time. Plus, it’s endlessly customizable—you can add cremini mushrooms, bell peppers, Brussels sprouts, spinach, or any other favorite add-ins to make it your own.
Ingredients Needed for Leftover Prime Rib Hash
This Prime Rib Hash is the best way to use up leftover prime rib after the holidays! Here is what you’ll need:
- Potatoes: Gold potatoes work best, but sweet potatoes are a delicious variation.
- Olive Oil & Butter: A combination for perfectly crispy and flavorful potatoes.
- Onion: Diced for that sweet caramelized onion flavor.
- Prime Rib Leftovers: Use thin slices of prime rib from your leftover roast. Leftover ground beef, or even smoked prime rib work beautifully here too.
- Eggs: Cooked your favorite way—fried, poached, or baked right in the skillet.
- Parsley: Fresh and chopped for garnish.
- Seasonings: Salt and black pepper to taste.
Variations
- Swap sweet potatoes for a slightly sweet twist.
- Use cremini mushrooms or bell peppers for added texture and flavor.
- Add a dollop of sour cream or serve with creamy horseradish sauce for a tangy kick.
- Turn it into tacos with warm tortillas and a sprinkle of peppery arugula.
How to Make Leftover Prime Rib Hash
For full recipe details, including ingredient measurements, see the printable recipe card at the bottom of this post. Here are my step by step directions for making prime rib hash:
1. Prep the Potatoes
Place diced potatoes in a medium pot and cover with water. Bring to a boil and boil for about 10 minutes or until just fork tender. Drain potatoes and set aside.
2. Cook the Onions
Heat a large cast iron skillet over medium heat and add oil and butter. Add diced onions and slowly cook until they begin to caramelize, about 10 minutes.
3. Brown the Potatoes
Stir in potatoes and cook until potatoes begin to brown, stirring and flipping occasionally. Season with salt and black pepper.
4. Add in the Leftover Prime Rib Meat
Add sliced prime rib at the end, cooking just until warmed through.
5. Top with Eggs
Remove from heat, garnish with fresh chopped parsley and serve hot with sunny side up egg on top of each serving.
Pro Tip: Alternatively, you can place a few wells in the hash with the bottom of a small glass and crack the eggs right into the skillet. Bake in the oven at 350° F until desired doneness is achieved (10-20 minutes). I prefer a super runny yolk, so I like to cook them separately.
Storage + Make Ahead Directions for Leftover Prime Rib Hash
Keep leftovers in a plastic wrap-covered bowl or an airtight container in the fridge for up to 3 days.
To Make Ahead: Prep the potatoes and onions ahead of time, then assemble and cook when ready to serve.
To Freeze: If you want to freeze hash for later, store it in an airtight container and freeze for up to 3 months. Reheat on the stove top for the best results.
More Savory Hash Recipes to Try!
- Corned Beef Hash Breakfast
- Sausage Hash Brown Casserole
- Sweet Potato Hash with Fried Eggs
- Roasted Veggie Hot Dog Hash
This Leftover Prime Rib Hash is the perfect way to savor your prime rib dinner the next day. Whether served for breakfast, brunch, or even as a quick dinner, it’s a crowd-pleaser that transforms holiday leftovers into a delicious meal your whole family will love.
If you make this recipe, I would really appreciate it if you would give it a star rating and leave your review in the comments! If you have a picture of your finished dish, post it on Instagram using the hashtag #laurenslatest and tagging me @laurens_latest.
Leftover Prime Rib Hash
Ingredients
- 2 cups potatoes diced
- 1 tablespoon olive oil
- 2 tablespoons butter
- 1 medium onion finely diced
- salt to taste
- black pepper to taste
- 2 cups prime rib cooked (leftover), thinly sliced
- parsley fresh, chopped, for garnish
- 4 large eggs cooked, sunny side up, fried or poached
Instructions
- Place diced potatoes in a medium pot and cover with water. Bring to a boil and boil for about 10 minutes or until just fork tender.
- Drain potatoes and set aside.
- Heat a large cast iron skillet over medium heat and add oil and butter.
- Add diced onions and slowly cook until they begin to caramelize, about 10 minutes.
- Stir in potatoes and cook until potatoes begin to brown, stirring and flipping occasionally. Season with salt and black pepper.
- Add sliced prime rib at the end, cooking just until warmed through.
- Remove from heat, garnish with fresh chopped parsley and serve hot with sunny side up egg on top of each serving.
- Alternatively, you can place a few wells in the hash with the bottom of a small glass and crack the eggs right into the skillet. Bake in the oven at 350° F until desired doneness is achieved (10-20 minutes). I prefer a super runny yolk, so I like to cook them separately.
