This savory skillet breakfast brings classic diner flavor to your home kitchen in 30 minutes. I developed this version after finding my grandmother’s vague handwritten notes—”cook until looks right” wasn’t enough for me.
The beauty lies in its simplicity: leftover roast beef and potatoes transform into something greater than their parts. The key is crisping everything in a hot skillet until golden and caramelized, creating that signature hash texture.
You’ll end up with a hearty, satisfying dish that’s perfect for breakfast, brunch, or even a quick dinner. The beef stays tender while the potatoes develop a crispy exterior.
Serve with a fried egg on top for the complete experience. This is comfort food at its most straightforward and delicious.
Ingredients for Roast Beef Hash Recipe Betty Crocker
Heartiest breakfast happening in one skillet with pantry staples and leftovers.
| Ingredient | Amount | Notes |
|---|---|---|
| Leftover Roast Beef 🥩 | 2 cups | Diced into 1/2-inch cubes |
| Russet Potatoes 🥔 | 1 ½ lb | Peeled, diced, parboiled |
| Yellow Onion 🧅 | 1 whole | Medium, finely diced |
| Red Bell Pepper 🌶️ | 1 whole | Diced for color and sweetness |
| Garlic Cloves 🧄 | 3 cloves | Minced for aromatic depth |
| Butter 🧈 | 3 tbsp | Unsalted, divided for cooking |
| Worcestershire Sauce 💧 | 1 tbsp | Adds umami richness |
| Dijon Mustard 🟡 | 1 tsp | Smooth, for tangy kick |
| Kosher Salt 🧂 | 1 tsp | Diamond Crystal preferred |
| Black Pepper 🌶️ | ½ tsp | Freshly ground for best flavor |
| Fresh Thyme Leaves 🌿 | 1 tbsp | Chopped, or 1 tsp dried |
| Large Eggs 🥚 | 4 whole | For serving on top |
| Olive Oil 🫒 | 1 tbsp | For frying eggs |
The beef is the soul here—leftover roast beef with good marbling works best. No leftovers? Ask your butcher for pre-cooked roast beef (yes, they’ll sell it). Russet potatoes are ideal for that crispy exterior, but Yukon Golds work too. I always grab my beef from Whole Foods if I’m starting fresh—their pre-cooked options are reliable and flavorful.
No roast beef? Corned beef or pastrami adds that salty, meaty depth. Swap red bell pepper for green if that’s what you have. Annie’s or French’s Worcestershire are solid choices. For a shortcut, pre-diced mirepoix (sold in the freezer section) saves chopping time. The fresh thyme can be subbed with dried at one-third the amount.
Store leftover hash in an airtight container—it keeps 3-4 days in the fridge. Reheat in a skillet to restore the crispiness. The cooked beef and potatoes don’t freeze well, but you can prep the raw ingredients ahead. Always bring beef to room temp before dicing for even cooking.
Why You’ll Love This Recipe
- One Pan Wonder: I love that everything cooks together—just the beef, potatoes, peppers, and garlic in one skillet.
- Savory Satisfaction: The caramelized onions and roast beef create this rich, meaty flavor that’s hard to resist.
- Weeknight Lifesaver: Honestly, it’s my go-to for using up Sunday’s leftover roast on a busy Tuesday.
- Budget Stretcher: Between us, it turns a small amount of beef into a hearty meal that feeds the whole family.
Step-by-Step Instructions for Roast Beef Hash
This skillet breakfast comes together quickly with smart prep and a hot pan.
Step 1: Sauté Aromatics and Potatoes
Heat 1 tbsp Butter in a large skillet over medium-high heat until it melts and foams. Add the diced Yellow Onion, diced Red Bell Pepper, and minced Garlic Cloves, cooking for 3-4 minutes until the onion turns translucent.
Stir in the 1.5 lb parboiled Russet Potatoes and press them into the skillet with a spatula. You want them to develop a golden crust on at least one side. Let them cook undisturbed for 4-5 minutes before stirring to prevent sticking.
Step 2: Add Roast Beef and Seasonings
Push the potato mixture to one side of the skillet and add the remaining 2 tbsp Butter. Once melted, add the 2 cups diced Leftover Roast Beef and cook for 2 minutes to warm through.
Stir everything together, then add the 1 tbsp Worcestershire Sauce, 1 tsp Dijon Mustard, 1 tsp Kosher Salt, 0.5 tsp Black Pepper, and 1 tbsp Fresh Thyme Leaves. Toss well to coat evenly. The Worcestershire adds depth, while the mustard gives a subtle tang.
Step 3: Crisp the Hash to Perfection
Spread the hash evenly across the skillet, pressing down lightly with your spatula. Cook for another 5-7 minutes without stirring, allowing a deep golden crust to form on the bottom. This is what gives the dish its signature texture.
Flip sections of the hash only when the bottom is crisp and releases easily. If it sticks, let it cook longer—patience here pays off with a restaurant-quality sear. The potatoes should be tender inside with crispy edges.
Step 4: Fry Eggs for Serving
In a separate nonstick skillet, heat the 1 tbsp Olive Oil over medium heat. Crack the 4 whole Large Eggs into the pan, spacing them evenly. Cook for 2-3 minutes until the whites are set but the yolks remain runny for that perfect breakfast topping.
Season the eggs lightly with a pinch of leftover Kosher Salt and Black Pepper. For extra flair, sprinkle a few Fresh Thyme Leaves over the top. The runny yolks will mix beautifully into the hash when served.
Step 5: Plate and Serve Immediately
Divide the hash evenly among four plates, creating a well in the center of each portion. Slide a fried egg into each well. The heat from the hash will gently warm the egg without overcooking it.
Garnish with any remaining Fresh Thyme Leaves and serve right away while everything is hot. The contrast of the crispy hash with the creamy egg yolk is what makes this dish irresistible. Every bite should have a mix of tender beef, crisp potatoes, and rich egg.
Pro Tips For Making Roast Beef Hash Recipe Betty Crocker
- Parcook the Potatoes: Boil the diced russets for 5-6 minutes before frying—just until slightly tender but still firm. I learned this the hard way after too many batches of undercooked, crunchy hash.
- Chop Beef Small: Cut the leftover roast beef into ¼-inch pieces, not shreds. Sounds fussy, but it actually changes the outcome—smaller bits crisp up better and distribute evenly.
- Skip the Crowded Pan: Resist the urge to dump everything in at once. Cook the potatoes in batches if needed, or they’ll steam instead of brown. My grandmother swore by this, and she was right.
- Add Garlic Late: Toss in the minced garlic only during the last 2 minutes of cooking. After burning three batches, I finally figured out garlic turns bitter if it hits the pan too early.
Serving Suggestions for This Recipe
Classic Diner Presentation
Serve this hash on white plates for that authentic diner look. I create a well in the center of each portion and slide a fried egg right in. The yolk becomes a natural sauce when broken. This is how my grandmother served it at her kitchen table.
Breakfast for Dinner
This dish works beautifully for weeknight dinners, not just breakfast. I pair it with buttered toast and a simple green salad with lemon vinaigrette. The acidity cuts through the richness perfectly.
Family-Style Serving
For a cozy family meal, transfer everything to a large platter with the eggs on top. Let everyone serve themselves. I add a sprinkle of fresh thyme right before bringing it to the table for that fresh herbal note.
Brunch Buffet
When serving a crowd, keep the hash warm in a 200°F oven while frying eggs to order. Set out hot sauce and ketchup for customization. I always include both options because people are passionate about their hash toppings. 💛
Leftovers Reinvented
Use any extra hash as a filling for breakfast tacos the next day. Warm corn tortillas, add hash, top with a fried egg, and finish with shredded cheddar. This is my favorite way to repurpose leftovers.
Elevated Garnishes
For special occasions, add crumbled bacon or sautéed mushrooms on top. A drizzle of sriracha mayo adds a creamy kick. These small touches transform this humble dish into something restaurant-worthy.
Nutrition Facts
Frequently Asked Questions
Can I use fresh beef instead of leftovers?
Cook 1 lb of raw beef in the skillet first until browned and cooked through. Remove it, then proceed with the potatoes and vegetables.
Why do my potatoes stay mushy?
Parboil the diced potatoes for 5-7 minutes before adding to the skillet. This ensures they’re tender inside but crispy outside. Undercooked or overcrowded potatoes steam instead of browning.
Can I make this ahead of time?
Prep the ingredients the night before, but cook just before serving for best texture. Reheat leftovers in a skillet over medium heat to restore crispiness.
What’s the best pan for hash?
A heavy cast-iron skillet works best for even browning. Avoid nonstick for this recipe—you need the high heat and crispy texture that cast iron provides.
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